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Lorentz Irgens

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Magne Stoknes; Guro L Andersen; Magnus Odin Dahlseng; Lorentz M Irgens; Jennifer J Kurinczuk; Kjell Å Salvesen; Jon S Skranes; Torstein Vik
Cerebral palsy and neonatal death in term singletons born small for gestational age.
Bjørn Egil Vikse; Ravi Thadhani; Lorentz M Irgens; S Ananth Karumanchi; Anna Varberg Reisaeter; Rolv Skjaerven
Familial factors in the association between preeclampsia and later ESRD.
Katrine Tyborg Leversen; Kristian Sommerfelt; Geir Egil Eide; Irene Bircow Elgen; Lorentz M Irgens; Pétur B Júlíusson; Trond Markestad
Prediction of outcome at 5 years from assessments at 2 years among extremely preterm children: a Norwegian national cohort study.

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2012: Magne Stoknes; Guro L Andersen; Magnus Odin Dahlseng; Lorentz M Irgens; Jennifer J Kurinczuk; Kjell Å Salvesen; Jon S Skranes; Torstein Vik
Cerebral palsy and neonatal death in term singletons born small for gestational age.
Pediatrics 2012;130(6):e1629-35.
2012: Bjørn Egil Vikse; Ravi Thadhani; Lorentz M Irgens; S Ananth Karumanchi; Anna Varberg Reisaeter; Rolv Skjaerven
Familial factors in the association between preeclampsia and later ESRD.
Clinical journal of the American Society of Nephrology : CJASN 2012;7(11):1819-26.
2012: Katrine Tyborg Leversen; Kristian Sommerfelt; Geir Egil Eide; Irene Bircow Elgen; Lorentz M Irgens; Pétur B Júlíusson; Trond Markestad
Prediction of outcome at 5 years from assessments at 2 years among extremely preterm children: a Norwegian national cohort study.
Acta paediatrica (Oslo, Norway : 1992) 2012;101(3):264-70.
2012: Rolv Skjaerven; Lars J Vatten; Bjørn Egil Vikse; Allen J Wilcox; Lorentz M Irgens; Kari Klungsøyr; Rolv Terje Lie
Cardiovascular mortality after pre-eclampsia in one child mothers: prospective, population based cohort study.
BMJ (Clinical research ed.) 2012;345():e7677.
2011: Vibecke Høgberg Markhus; Svein Rasmussen; Stein Atle Lie; Lorentz M Irgens
Placental abruption and premature rupture of membranes.
Acta obstetricia et gynecologica Scandinavica 2011;90(9):1024-9.
2011: Marianne Wallenius; Johan F Skomsvoll; Lorentz M Irgens; Kjell Å Salvesen; Bjorn Y Nordvåg; Wenche Koldingsnes; Knut Mikkelsen; Cecilie Kaufmann; Tore K Kvien
Pregnancy and delivery in women with chronic inflammatory arthritides with a specific focus on first birth.
Arthritis and rheumatism 2011;63(6):1534-42.
2011: Marianne Wallenius; Johan F Skomsvoll; Lorentz M Irgens; Kjell Å Salvesen; Bjorn-Yngvar Nordvåg; Wenche Koldingsnes; Knut Mikkelsen; Cecilie Kaufmann; Tore K Kvien
Fertility in women with chronic inflammatory arthritides.
Rheumatology (Oxford, England) 2011;50(6):1162-7.
2011: Katrine Tyborg Leversen; Kristian Sommerfelt; Arild Rønnestad; Per Ivar Kaaresen; Theresa Farstad; Janne Skranes; Ragnhild Støen; Irene Bircow Elgen; Siren Rettedal; Geir Egil Eide; Lorentz M Irgens; Trond Markestad
Prediction of neurodevelopmental and sensory outcome at 5 years in Norwegian children born extremely preterm.
Pediatrics 2011;127(3):e630-8.
2011: Areej I Elkamil; Guro L Andersen; Kjell Å Salvesen; Jon S Skranes; Lorentz M Irgens; Torstein Vik
Induction of labor and cerebral palsy: a population-based study in Norway.
Acta obstetricia et gynecologica Scandinavica 2011;90(1):83-91.
2010: Kari Klungsøyr Melve; Rolv Skjaerven; Svein Rasmussen; Lorentz M Irgens
Recurrence of stillbirth in sibships: Population-based cohort study.
American journal of epidemiology 2010;172(10):1123-30.
2010: Miriam K Sandvik; Bjarne M Iversen; Lorentz M Irgens; Rolv Skjaerven; Torbjørn Leivestad; Eirik Søfteland; Bjørn Egil Vikse
Are adverse pregnancy outcomes risk factors for development of end-stage renal disease in women with diabetes?
Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association 2010;25(11):3600-7.
2010: Katrine Tyborg Leversen; Kristian Sommerfelt; Arild Rønnestad; Per Ivar Kaaresen; Theresa Farstad; Janne Skranes; Ragnhild Støen; Irene Bircow Elgen; Siren Rettedal; Geir Egil Eide; Lorentz M Irgens; Trond Markestad
Predicting neurosensory disabilities at two years of age in a national cohort of extremely premature infants.
Early human development 2010;86(9):581-6.
2010: Elham Baghestan; Lorentz M Irgens; Per E Børdahl; Svein Rasmussen
Trends in risk factors for obstetric anal sphincter injuries in Norway.
Obstetrics and gynecology 2010;116(1):25-34.
2010: Astrid R Bjørstad; Kaja Irgens-Hansen; Anne Kjersti Daltveit; Lorentz M Irgens
Macrosomia: mode of delivery and pregnancy outcome.
Acta obstetricia et gynecologica Scandinavica 2010;89(5):664-9.
2010: Marianne Wallenius; Johan F Skomsvoll; Lorentz M Irgens; Kjell A Salvesen; W Koldingsnes; Knut Mikkelsen; C Kaufmann; Tore K Kvien
Postpartum onset of rheumatoid arthritis and other chronic arthritides: results from a patient register linked to a medical birth registry.
Annals of the rheumatic diseases 2010;69(2):332-6.
2009: Svein Rasmussen; Lorentz M Irgens; Rolv Skjaerven; Kari Klungsøyr Melve
Prior adverse pregnancy outcome and the risk of stillbirth.
Obstetrics and gynecology 2009;114(6):1259-70.
2009: Guro L Andersen; Lorentz M Irgens; Jon S Skranes; Kjell A Salvesen; Alf Meberg; Torstein Vik
Is breech presentation a risk factor for cerebral palsy? A Norwegian birth cohort study.
Developmental medicine and child neurology 2009;51(11):860-5.
2009: Jørund Langørgen; Jannicke Igland; Stein Emil Vollset; Maria Averina; Jan Erik Nordrehaug; Grethe S Tell; Lorentz M Irgens; Ottar Nygård
Short-term and long-term case fatality in 11 878 patients hospitalized with a first acute myocardial infarction, 1979-2001: the Western Norway cardiovascular registry.
European journal of cardiovascular prevention and rehabilitation : official journal of the European Society of Cardiology, Working Groups on Epidemiology & Prevention and Cardiac Rehabilitation and Exercise Physiology 2009;16(5):621-7.
2009: S H Westby Wold; Kristian Sommerfelt; Hallvard Reigstad; A Rønnestad; S Medbø; T Farstad; P I Kaaresen; R Støen; K T Leversen; Lorentz M Irgens; Trond Markestad
Neonatal mortality and morbidity in extremely preterm small for gestational age infants: a population based study.
Archives of disease in childhood. Fetal and neonatal edition 2009;94(5):F363-7.
2009: Svein Rasmussen; Lorentz M Irgens
Occurrence of placental abruption in relatives.
BJOG : an international journal of obstetrics and gynaecology 2009;116(5):693-9.
2008: Hans Magne Gravseth; Tor Bjerkedal; Lorentz M Irgens; Odd O Aalen; Randi Selmer; Petter Kristensen
Influence of physical, mental and intellectual development on disability in young Norwegian men.
European journal of public health 2008;18(6):650-5.
2008: Mette C Tollånes; Svein Rasmussen; Lorentz M Irgens
Caesarean section among relatives.
International journal of epidemiology 2008;37(6):1341-8.
2008: Bjørn Egil Vikse; Lorentz M Irgens; Torbjørn Leivestad; Rolv Skjaerven; Bjarne M Iversen
Preeclampsia and the risk of end-stage renal disease.
The New England journal of medicine 2008;359(8):800-9.
2008: Emanuele Leoncini; Giovanni Baranello; Iêda M Orioli; Göran Annerén; Marian Bakker; Fabrizio Bianchi; Carol Bower; Mark A Canfield; Eduardo E Castilla; Guido Cocchi; Adolfo Correa; Catherine de Vigan; Berenice Doray; Marcia L Feldkamp; Miriam Gatt; Lorentz M Irgens; R Brian Lowry; Alice Maraschini; Robert Mc Donnell; Margery Morgan; Osvaldo Mutchinick; Simone Poetzsch; Merilyn Riley; Annukka Ritvanen; Elisabeth Robert Gnansia; Gioacchino Scarano; Antonin Sipek; Romano Tenconi; Pierpaolo Mastroiacovo
Frequency of holoprosencephaly in the International Clearinghouse Birth Defects Surveillance Systems: searching for population variations.
Birth defects research. Part A, Clinical and molecular teratology 2008;82(8):585-91.
2008: Mette C Tollånes; Dag Moster; Anne Kjersti Daltveit; Lorentz M Irgens
Cesarean section and risk of severe childhood asthma: a population-based cohort study.
The Journal of pediatrics 2008;153(1):112-6.
2008: Anne Kjersti Daltveit; Mette Christophersen Tollånes; Hege Pihlstrøm; Lorentz M Irgens
Cesarean delivery and subsequent pregnancies.
Obstetrics and gynecology 2008;111(6):1327-34.
2008: Svein Rasmussen; Lorentz M Irgens
History of fetal growth restriction is more strongly associated with severe rather than milder pregnancy-induced hypertension.
Hypertension 2008;51(4):1231-8.
2008: Nina Øyen; Ottar Nygård; Jannicke Igland; Grethe S Tell; Jan Erik Nordrehaug; Lorentz M Irgens; John G Cooper; Jørund Langørgen; Stein Emil Vollset
[Hospital admission rates for cardiovascular diseases in Western Norway, 1992-2001].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2008;128(1):17-23.
2008: Susanne Albrechtsen; Svein Rasmussen; Steinar Thoresen; Lorentz M Irgens; Ole-Erik Iversen
Pregnancy outcome in women before and after cervical conisation: population based cohort study.
BMJ (Clinical research ed.) 2008;337():a1343.
2008: Kari Klungsøyr Melve; Rolv T Lie; Rolv Skjaerven; Carl Birger van der Hagen; Gyri Aasland Gradek; Christopher Jonsrud; Geir J Braathen; Lorentz M Irgens
Registration of Down syndrome in the Medical Birth Registry of Norway: validity and time trends.
Acta obstetricia et gynecologica Scandinavica 2008;87(8):824-30.
2008: Stein Hallan; Anne M Euser; Lorentz M Irgens; Martijn J J Finken; Jostein Holmen; Friedo W Dekker
Effect of intrauterine growth restriction on kidney function at young adult age: the Nord Trøndelag Health (HUNT 2) Study.
American journal of kidney diseases : the official journal of the National Kidney Foundation 2008;51(1):10-20.
2008: Bjørn Egil Vikse; Lorentz M Irgens; Torbjørn Leivestad; Stein Hallan; Bjarne M Iversen
Low birth weight increases risk for end-stage renal disease.
Journal of the American Society of Nephrology : JASN 2008;19(1):151-7.
2008: Guro L Andersen; Lorentz M Irgens; Ivar Haagaas; Jon S Skranes; Alf E Meberg; Torstein Vik
Cerebral palsy in Norway: prevalence, subtypes and severity.
European journal of paediatric neurology : EJPN : official journal of the European Paediatric Neurology Society 2008;12(1):4-13.
2007: Mette C Tollånes; Kari Klungsøyr Melve; Lorentz M Irgens; Rolv Skjaerven
Reduced fertility after cesarean delivery: a maternal choice.
Obstetrics and gynecology 2007;110(6):1256-63.
2007: Lorentz M Irgens
Commentary: on the clinical prediction of pre-eclampsia and its enigmatic aetiology.
International journal of epidemiology 2007;36(2):420-1.
2007: Astrid Lunde; Kari Klungsøyr Melve; Håkon K Gjessing; Rolv Skjaerven; Lorentz M Irgens
Genetic and environmental influences on birth weight, birth length, head circumference, and gestational age by use of population-based parent-offspring data.
American journal of epidemiology 2007;165(7):734-41.
2007: Svein Rasmussen; Lorentz M Irgens
Pregnancy-induced hypertension in women who were born small.
Hypertension 2007;49(4):806-12.
2007: Petter Kristensen; Tor Bjerkedal; Lorentz M Irgens
Early life determinants of musculoskeletal sickness absence in a cohort of Norwegians born in 1967-1976.
Social science & medicine (1982) 2007;64(3):646-55.
2007: Sjur Lehmann; Per E Børdahl; Svein A Rasmussen; Lorentz M Irgens
Norwegian midwives and doctors have increased cesarean section rates.
Acta obstetricia et gynecologica Scandinavica 2007;86(9):1087-9.
2007: Mette C Tollånes; John M D Thompson; Anne Kjersti Daltveit; Lorentz M Irgens
Cesarean section and maternal education; secular trends in Norway, 1967-2004.
Acta obstetricia et gynecologica Scandinavica 2007;86(7):840-8.
2007: Hans Magne Gravseth; Tor Bjerkedal; Lorentz M Irgens; Odd O Aalen; Randi Selmer; Petter Kristensen
Life course determinants for early disability pension: a follow-up of Norwegian men and women born 1967-1976.
European journal of epidemiology 2007;22(8):533-43.
2007: Vibecke Høgberg; Svein Rasmussen; Lorentz M Irgens
The effect of smoking and hypertensive disorders on abruptio placentae in Norway 1999-2002.
Acta obstetricia et gynecologica Scandinavica 2007;86(3):304-9.
2006: Kristin Gåsemyr; Lorentz M Irgens
[Abortion--no longer need for research?].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2006;126(21):2832; author reply 2832-3.
2006: Karl-Christian Nordby; Lorentz M Irgens; Petter Kristensen
Immunological exposures in Norwegian agriculture and pre-eclampsia.
Paediatric and perinatal epidemiology 2006;20(6):462-70.
2006: Lorenzo D Botto; Alessandra Lisi; Carol Bower; Mark A Canfield; Nirupa Dattani; Catherine de Vigan; H E K de Walle; David J Erickson; Jane Halliday; Lorentz M Irgens; R Brian Lowry; Robert McDonnell; Julia Metneki; Simone Poetzsch; Annukka Ritvanen; Elisabeth Robert-Gnansia; Csaba Siffel; Claude Stoll; Pierpaolo Mastroiacovo
Trends of selected malformations in relation to folic acid recommendations and fortification: an international assessment.
Birth defects research. Part A, Clinical and molecular teratology 2006;76(10):693-705.
2006: Per Magnus; Lorentz M Irgens; Kjell Haug; Wenche Nystad; Rolv Skjaerven; Camilla Stoltenberg
Cohort profile: the Norwegian Mother and Child Cohort Study (MoBa).
International journal of epidemiology 2006;35(5):1146-50.
2006: Olga Basso; Svein Rasmussen; Clarice R Weinberg; Allen J Wilcox; Lorentz M Irgens; Rolv Skjaerven
Trends in fetal and infant survival following preeclampsia.
JAMA : the journal of the American Medical Association 2006;296(11):1357-62.
2006: Martha G Eide; Rolv Skjaerven; Lorentz M Irgens; Tor Bjerkedal; Nina Oyen
Associations of birth defects with adult intellectual performance, disability and mortality: population-based cohort study.
Pediatric research 2006;59(6):848-53.
2006: John M D Thompson; Lorentz M Irgens; Svein Rasmussen; Anne Kjersti Daltveit
Secular trends in socio-economic status and the implications for preterm birth.
Paediatric and perinatal epidemiology 2006;20(3):182-7.
2006: Bjørn Egil Vikse; Lorentz M Irgens; Leif Bostad; Bjarne M Iversen
Adverse perinatal outcome and later kidney biopsy in the mother.
Journal of the American Society of Nephrology : JASN 2006;17(3):837-45.
2006: Geir Mjøen; Dag Ottar Saetre; Rolv T Lie; Tore Tynes; Karl Gerhard Blaasaas; Merete Hannevik; Lorentz M Irgens
Paternal occupational exposure to radiofrequency electromagnetic fields and risk of adverse pregnancy outcome.
European journal of epidemiology 2006;21(7):529-35.
2006: Svein Rasmussen; Lorentz M Irgens
The effects of smoking and hypertensive disorders on fetal growth.
BMC pregnancy and childbirth 2006;6():16.
2005: Lill I S Trogstad; Camilla Stoltenberg; Per Magnus; Rolv Skjaerven; Lorentz M Irgens
Recurrence risk in hyperemesis gravidarum.
BJOG : an international journal of obstetrics and gynaecology 2005;112(12):1641-5.
2005: Rolv Skjaerven; Lars J Vatten; Allen J Wilcox; Thorbjørn Rønning; Lorentz M Irgens; Rolv T Lie
Recurrence of pre-eclampsia across generations: exploring fetal and maternal genetic components in a population based cohort.
BMJ (Clinical research ed.) 2005;331(7521):877.
2005: Hans-Jacob Haga; Clara Gram Gjesdal; Hege Svean Koksvik; Johan F Skomsvoll; Lorentz M Irgens; Monika Ostensen
Pregnancy outcome in patients with primary Sjögren's syndrome. a case-control study.
The Journal of rheumatology 2005;32(9):1734-6.
2005: Trond Markestad; Per Ivar Kaaresen; Arild Rønnestad; Hallvard Reigstad; Kristin Lossius; Sverre Medbø; Gro Zanussi; Inger Elise Engelund; Rolv Skjaerven; Lorentz M Irgens
Early death, morbidity, and need of treatment among extremely premature infants.
Pediatrics 2005;115(5):1289-98.
2005: Karl-Christian Nordby; Aage Andersen; Lorentz M Irgens; Petter Kristensen
Indicators of mancozeb exposure in relation to thyroid cancer and neural tube defects in farmers' families.
Scandinavian journal of work, environment & health 2005;31(2):89-96.
2005: Alessandra Lisi; Lorenzo D Botto; Monica Rittler; Eduardo E Castilla; Sebastiano Bianca; Fabrizio Bianchi; Beverley Botting; H E K de Walle; J David Erickson; Miriam Gatt; Catherine de Vigan; Lorentz M Irgens; William Johnson; Paul Lancaster; Paul Merlob; Osvaldo M Mutchinick; Annukka Ritvanen; Elisabeth Robert; Gioacchino Scarano; Claude Stoll; Pierpaolo Mastroiacovo
Sex and congenital malformations: an international perspective.
American journal of medical genetics. Part A 2005;134A(1):49-57.
2005: Lorenzo D Botto; Alessandra Lisi; Elisabeth Robert-Gnansia; J David Erickson; Stein Emil Vollset; Pierpaolo Mastroiacovo; Beverley Botting; Guido Cocchi; Catherine de Vigan; H E K de Walle; Maria Feijoo; Lorentz M Irgens; Bob McDonnell; Paul Merlob; Annukka Ritvanen; Gioacchino Scarano; Csaba Siffel; Julia Metneki; Claude Stoll; Richard Smithells; Janine Goujard
International retrospective cohort study of neural tube defects in relation to folic acid recommendations: are the recommendations working?
BMJ (Clinical research ed.) 2005;330(7491):571.
2005: Stein Emil Vollset; Håkon K Gjessing; Anne Tandberg; Thorbjørn Rønning; Lorentz M Irgens; Valborg Baste; Roy M Nilsen; Anne Kjersti Daltveit
Folate supplementation and twin pregnancies.
Epidemiology (Cambridge, Mass.) 2005;16(2):201-5.
2005: Arild Rønnestad; Tore G Abrahamsen; Sverre Medbø; Hallvard Reigstad; Kristin Lossius; Per Ivar Kaaresen; Inger Elise Engelund; Lorentz M Irgens; Trond Markestad
Septicemia in the first week of life in a Norwegian national cohort of extremely premature infants.
Pediatrics 2005;115(3):e262-8.
2005: Arild Rønnestad; Tore G Abrahamsen; Sverre Medbø; Hallvard Reigstad; Kristin Lossius; Per Ivar Kaaresen; Thore Egeland; Inger Elise Engelund; Lorentz M Irgens; Trond Markestad
Late-onset septicemia in a Norwegian national cohort of extremely premature infants receiving very early full human milk feeding.
Pediatrics 2005;115(3):e269-76.
2005: Hans-Jacob Haga; Clara Gram Gjesdal; Lorentz M Irgens; Monika Ostensen
Reproduction and gynaecological manifestations in women with primary Sjögren's syndrome: a case-control study.
Scandinavian journal of rheumatology 2005;34(1):45-8.
2005: Martha G Eide; Nina Øyen; Rolv Skjaerven; Lorentz M Irgens; Tor Bjerkedal; Stein Tore Nilsen
Breech delivery and intelligence: a population-based study of 8,738 breech infants.
Obstetrics and gynecology 2005;105(1):4-11.
2004: Petter Kristensen; Tor Bjerkedal; Lorentz M Irgens
Birthweight and work participation in adulthood.
International journal of epidemiology 2004;33(4):849-56.
2004: Method R Kazaura; Rolv T Lie; Lorentz M Irgens; Allan Didriksen; Mariann Kapstad; John Egenaes; Tor Bjerkedal
Increasing risk of gastroschisis in Norway: an age-period-cohort analysis.
American journal of epidemiology 2004;159(4):358-63.
2004: S A R Hill; B Hjelmeland; N M Johannessen; Lorentz M Irgens; Rolv Skjaerven
Changes in parental risk behaviour after an information campaign against sudden infant death syndrome (SIDS) in Norway.
Acta paediatrica (Oslo, Norway : 1992) 2004;93(2):250-4.
2003: Gillian Hawthorne; Lorentz M Irgens; Rolv T Lie; Narve Moe; Jak Jervell
Retraction of paper on maternal diabetes.
BMJ (Clinical research ed.) 2003;327(7420):929.
2003: Nan B Oldereid; Thomas Abyholm; Tom Tanbo; Inger Elise Engelund; Lorentz M Irgens
[Congenital malformations in children born after assisted fertilization in Norway].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2003;123(19):2696-9.
2003: Agot Irgens; Lorentz M Irgens
Secular trends in uncertain-sex births and proportion of male births in Norway, 1967-1998.
Archives of environmental health 2003;58(9):554-9.
2003: Anne Kjersti Daltveit; Lorentz M Irgens; Nina Oyen; Rolv Skjaerven; Trond Markestad; Göran Wennergren
Circadian variations in sudden infant death syndrome: associations with maternal smoking, sleeping position and infections. The Nordic Epidemiological SIDS Study.
Acta paediatrica (Oslo, Norway : 1992) 2003;92(9):1007-13.
2003: Agot Irgens; Lorentz M Irgens; Jon B Reitan; Tor Haldorsen; Ulf Tveten
Pregnancy outcome among offspring of airline pilots and cabin attendants.
Scandinavian journal of work, environment & health 2003;29(2):94-9.
2003: Svein Rasmussen; Lorentz M Irgens
Fetal growth and body proportion in preeclampsia.
Obstetrics and gynecology 2003;101(3):575-83.
2003: Svein Rasmussen; Susanne Albrechtsen; Lorentz M Irgens; Knut Dalaker; Helga Maartmann-Moe; Ljiljana Vlatkovic; Trond Markestad
Unexplained antepartum fetal death in Norway, 1985-97: diagnostic validation and some epidemiologic aspects.
Acta obstetricia et gynecologica Scandinavica 2003;82(2):109-15.
2003: Svein Rasmussen; Susanne Albrechtsen; Lorentz M Irgens; Knut Dalaker; Helga Maartmann-Moe; Ljiljana Vlatkovic; Trond Markestad
Risk factors for unexplained antepartum fetal death in Norway 1967-1998.
Early human development 2003;71(1):39-52.
2003: Per Nafstad; Sven Ove Samuelsen; Lorentz M Irgens; Tor Bjerkedal
Pregnancy complications and the risk of asthma among Norwegians born between 1967 and 1993.
European journal of epidemiology 2003;18(8):755-61.
2003: Bernt Alm; Göran Wennergren; S Gunnar Norvenius; Rolv Skjaerven; Hugo Lagercrantz; Karin Helweg-Larsen; Lorentz M Irgens
Vitamin A and sudden infant death syndrome in Scandinavia 1992-1995.
Acta paediatrica (Oslo, Norway : 1992) 2003;92(2):162-4.
2003: Petter Kristensen; Lorentz M Irgens; Tor Bjerkedal
Impact of low birthweight on subsequent fertility: population-based register study.
Paediatric and perinatal epidemiology 2003;17(1):10-6.
2002: Johan F Skomsvoll; Valborg Baste; Lorentz M Irgens; Monika Østensen
The recurrence risk of adverse outcome in the second pregnancy in women with rheumatic disease1.
Obstetrics and gynecology 2002;100(6):1196-202.
2002: Lorentz M Irgens
[Medical birth registry--an essential resource in perinatal medical research].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2002;122(26):2546-9.
2002: Grace M Egeland; Rolv Skjaeven; Lorentz M Irgens
The reproductive health of daughters of pregestational diabetic women: Medical Birth Registry of Norway.
Paediatric and perinatal epidemiology 2002;16(4):290-6.
2002: Abraham Meima; Lorentz M Irgens; Gerrit J van Oortmarssen; Jan H Richardus; J Dik F Habbema
Disappearance of leprosy from Norway: an exploration of critical factors using an epidemiological modelling approach.
International journal of epidemiology 2002;31(5):991-1000.
2002: Johan F Skomsvoll; Monika Østensen; Valborg Baste; Lorentz M Irgens
Validity of a rheumatic disease diagnosis in the Medical Birth Registry of Norway.
Acta obstetricia et gynecologica Scandinavica 2002;81(9):831-4.
2002: Per Nafstad; Sven Ove Samuelsen; Lorentz M Irgens; Tor Bjerkedal
Birth weight and hearing impairment in norwegians born from 1967 to 1993.
Pediatrics 2002;110(3):e30.
2002: Bernt Alm; Göran Wennergren; S Gunnar Norvenius; Rolv Skjaerven; Hugo Lagercrantz; Karin Helweg-Larsen; Lorentz M Irgens
Breast feeding and the sudden infant death syndrome in Scandinavia, 1992-95.
Archives of disease in childhood 2002;86(6):400-2.
2002: Lorentz M Irgens
[Increased risk of death because of cardiovascular disease among women who had had pre-eclampsia].
Läkartidningen 2002;99(13):1464.
2002: Lorentz M Irgens
[The discovery of the leprosy bacillus].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2002;122(7):708-9.
2002: Jørn Olsen; Andrew E Czeizel; Henrik Toft Sørensen; Gunnar Lauge Nielsen; Lolkje T W de Jong van den Berg; Lorentz M Irgens; Charlotte Olesen; Lars Pedersen; Helle Larsen; Rolv T Lie; Corinne S de Vries; Ulf Bergman
How do we best detect toxic effects of drugs taken during pregnancy? A EuroMap paper.
Drug safety : an international journal of medical toxicology and drug experience 2002;25(1):21-32.
2001: H U Irgens; L Reisaeter; Lorentz M Irgens; Rolv T Lie
Long term mortality of mothers and fathers after pre-eclampsia: population based cohort study.
BMJ (Clinical research ed.) 2001;323(7323):1213-7.
2001: Stein Tore Nilsen; Anne Kjersti Daltveit; Lorentz M Irgens
[Obstetric departments, delivery units and births in Norway in the 1990s].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2001;121(27):3208-12.
2001: Johan F Skomsvoll; Monika Ostensen; Valborg Baste; Lorentz M Irgens
Number of births, interpregnancy interval, and subsequent pregnancy rate after a diagnosis of inflammatory rheumatic disease in Norwegian women.
The Journal of rheumatology 2001;28(10):2310-4.
2001: Svein Rasmussen; Lorentz M Irgens; Susanne Albrechtsen; Knut Dalaker
Women with a history of placental abruption: when in a subsequent pregnancy should special surveillance for a recurrent placental abruption be initiated?
Acta obstetricia et gynecologica Scandinavica 2001;80(8):708-12.
2001: Dag Moster; Rolv T Lie; Lorentz M Irgens; Tor Bjerkedal; Trond Markestad
The association of Apgar score with subsequent death and cerebral palsy: A population-based study in term infants.
The Journal of pediatrics 2001;138(6):798-803.
2001: Bernt Alm; S Gunnar Norvenius; Göran Wennergren; Rolv Skjaerven; Nina Øyen; Joseph Milerad; Maria Wennborg; J Kjaerbeck; Karin Helweg-Larsen; Lorentz M Irgens
Changes in the epidemiology of sudden infant death syndrome in Sweden 1973-1996.
Archives of disease in childhood 2001;84(1):24-30.
2000: Svein Rasmussen; Lorentz M Irgens; Susanne Albrechtsen; Knut Dalaker
Predicting preeclampsia in the second pregnancy from low birth weight in the first pregnancy.
Obstetrics and gynecology 2000;96(5 Pt 1):696-700.
2000: Grace M Egeland; Rolv Skjaerven; Lorentz M Irgens
Birth characteristics of women who develop gestational diabetes: population based study.
BMJ (Clinical research ed.) 2000;321(7260):546-7.
2000: Petter Kristensen; Aage Andersen; Lorentz M Irgens
Hormone-dependent cancer and adverse reproductive outcomes in farmers' families--effects of climatic conditions favoring fungal growth in grain.
Scandinavian journal of work, environment & health 2000;26(4):331-7.
2000: Susanne Albrechtsen; Svein Rasmussen; Lorentz M Irgens
Secular trends in peri- and neonatal mortality in breech presentation; Norway 1967-1994.
Acta obstetricia et gynecologica Scandinavica 2000;79(6):508-12.
2000: Svein Rasmussen; Lorentz M Irgens; Knut Dalaker
Outcome of pregnancies subsequent to placental abruption: a risk assessment.
Acta obstetricia et gynecologica Scandinavica 2000;79(6):496-501.
2000: Johan F Skomsvoll; Monika Ostensen; Lorentz M Irgens; Valborg Baste
Pregnancy complications and delivery practice in women with connective tissue disease and inflammatory rheumatic disease in Norway.
Acta obstetricia et gynecologica Scandinavica 2000;79(6):490-5.
2000: Kjell Haug; Lorentz M Irgens; Rolv Skjaerven; Trond Markestad; Valborg Baste; P Schreuder
Maternal smoking and birthweight: effect modification of period, maternal age and paternal smoking.
Acta obstetricia et gynecologica Scandinavica 2000;79(6):485-9.
2000: P Kristensen; Lorentz M Irgens
Maternal reproductive history: a registry based comparison of previous pregnancy data derived from maternal recall and data obtained during the actual pregnancy.
Acta obstetricia et gynecologica Scandinavica 2000;79(6):471-7.
2000: Agot Irgens; K Krüger; AH Skorve; Lorentz M Irgens
Birth defects and paternal occupational exposure. Hypotheses tested in a record linkage based dataset.
Acta obstetricia et gynecologica Scandinavica 2000;79(6):465-70.
2000: Lorentz M Irgens
The Medical Birth Registry of Norway. Epidemiological research and surveillance throughout 30 years.
Acta obstetricia et gynecologica Scandinavica 2000;79(6):435-9.
2000: Bernt Alm; S Gunnar Norvenius; Göran Wennergren; Hugo Lagercrantz; Karin Helweg-Larsen; Lorentz M Irgens
Living conditions in early infancy in Denmark, Norway and Sweden 1992-95: results from the Nordic Epidemiological SIDS study.
Acta paediatrica (Oslo, Norway : 1992) 2000;89(2):208-14.
1999: Aldo Rosano; D Smithells; L Cacciani; Beverley Botting; Eduardo E Castilla; Martina C Cornel; D Erickson; Janine Goujard; Lorentz M Irgens; Paul Merlob; Elisabeth Robert; Csaba Siffel; Claude Stoll; Y Sumiyoshi
Time trends in neural tube defects prevalence in relation to preventive strategies: an international study.
Journal of epidemiology and community health 1999;53(10):630-5.
1999: Anne Kjersti Daltveit; Stein Emil Vollset; Lorentz M Irgens
Population density and perinatal mortality in Norway and Sweden 1975-1988.
Scandinavian journal of public health 1999;27(3):213-9.
1999: Bernt Alm; Göran Wennergren; G Norvenius; Rolv Skjaerven; Nina Oyen; Karin Helweg-Larsen; Hugo Lagercrantz; Lorentz M Irgens
Caffeine and alcohol as risk factors for sudden infant death syndrome. Nordic Epidemiological SIDS Study.
Archives of disease in childhood 1999;81(2):107-11.
1999: Anne Kjersti Daltveit; S E Vollset; Rolv Skjaerven; Lorentz M Irgens
Impact of multiple births and elective deliveries on the trends in low birth weight in Norway, 1967-1995.
American journal of epidemiology 1999;149(12):1128-33.
1999: Karin Helweg-Larsen; J B Lundemose; Nina Oyen; Rolv Skjaerven; Bernt Alm; Göran Wennergren; Trond Markestad; Lorentz M Irgens
Interactions of infectious symptoms and modifiable risk factors in sudden infant death syndrome. The Nordic Epidemiological SIDS study.
Acta paediatrica (Oslo, Norway : 1992) 1999;88(5):521-7.
1999: M Ulstein; Agot Irgens; Lorentz M Irgens
Secular trends in sperm variables for groups of men in fertile and infertile couples.
Acta obstetricia et gynecologica Scandinavica 1999;78(4):332-5.
1999: Johan F Skomsvoll; Monika Ostensen; Lorentz M Irgens; Valborg Baste
Perinatal outcome in pregnancies of women with connective tissue disease and inflammatory rheumatic disease in Norway.
Scandinavian journal of rheumatology 1999;28(6):352-6.
1999: Svein Rasmussen; Lorentz M Irgens; Knut Dalaker
A history of placental dysfunction and risk of placental abruption.
Paediatric and perinatal epidemiology 1999;13(1):9-21.
1998: Susanne Albrechtsen; Svein Rasmussen; Knut Dalaker; Lorentz M Irgens
Perinatal mortality in breech presentation sibships.
Obstetrics and gynecology 1998;92(5):775-80.
1998: Agot Irgens; K Krüger; AH Skorve; Lorentz M Irgens
Reproductive outcome in offspring of parents occupationally exposed to lead in Norway.
American journal of industrial medicine 1998;34(5):431-7.
1998: Kjell Haug; Lorentz M Irgens; Valborg Baste; Trond Markestad; Rolv Skjaerven; P Schreuder
Secular trends in breastfeeding and parental smoking.
Acta paediatrica (Oslo, Norway : 1992) 1998;87(10):1023-7.
1998: Camilla Stoltenberg; Per Magnus; RT Lie; Anne Kjersti Daltveit; Lorentz M Irgens
Influence of consanguinity and maternal education on risk of stillbirth and infant death in Norway, 1967-1993.
American journal of epidemiology 1998;148(5):452-9.
1998: Susanne Albrechtsen; Svein Rasmussen; Knut Dalaker; Lorentz M Irgens
Reproductive career after breech presentation: subsequent pregnancy rates, interpregnancy interval, and recurrence.
Obstetrics and gynecology 1998;92(3):345-50.
1998: Rolv T Lie; S Rasmussen; H Brunborg; Håkon K Gjessing; E Lie-Nielsen; Lorentz M Irgens
Fetal and maternal contributions to risk of pre-eclampsia: population based study.
BMJ (Clinical research ed.) 1998;316(7141):1343-7.
1998: Bernt Alm; Joseph Milerad; Göran Wennergren; Rolv Skjaerven; Nina Oyen; G Norvenius; Anne Kjersti Daltveit; Karin Helweg-Larsen; Trond Markestad; Lorentz M Irgens
A case-control study of smoking and sudden infant death syndrome in the Scandinavian countries, 1992 to 1995. The Nordic Epidemiological SIDS Study.
Archives of disease in childhood 1998;78(4):329-34.
1998: Susanne Albrechtsen; Svein Rasmussen; Knut Dalaker; Lorentz M Irgens
Factors influencing delivery method in breech presentation.
Acta obstetricia et gynecologica Scandinavica 1998;77(4):416-21.
1998: Susanne Albrechtsen; Svein Rasmussen; Knut Dalaker; Lorentz M Irgens
The occurrence of breech presentation in Norway 1967-1994.
Acta obstetricia et gynecologica Scandinavica 1998;77(4):410-5.
1998: Anne Kjersti Daltveit; Lorentz M Irgens; Nina Oyen; Rolv Skjaerven; Trond Markestad; Bernt Alm; Göran Wennergren; G Norvenius; Karin Helweg-Larsen
Sociodemographic risk factors for sudden infant death syndrome: associations with other risk factors. The Nordic Epidemiological SIDS Study.
Acta paediatrica (Oslo, Norway : 1992) 1998;87(3):284-90.
1998: Johan F Skomsvoll; Monika Ostensen; Lorentz M Irgens; Valborg Baste
Obstetrical and neonatal outcome in pregnant patients with rheumatic disease.
Scandinavian journal of rheumatology. Supplement 1998;107():109-12.
1998: Lorentz M Irgens
The Medical Birth Registry of Norway; a source for epidemiological and clinical research.
Scandinavian journal of rheumatology. Supplement 1998;107():105-8.
1997: Svein Rasmussen; Lorentz M Irgens; Knut Dalaker
The effect on the likelihood of further pregnancy of placental abruption and the rate of its recurrence.
British journal of obstetrics and gynaecology 1997;104(11):1292-5.
1997: Agot Irgens; K Krüger; AH Skorve; Lorentz M Irgens
Male proportion in offspring of parents exposed to strong static and extremely low-frequency electromagnetic fields in Norway.
American journal of industrial medicine 1997;32(5):557-61.
1997: Nina Oyen; Trond Markestad; R Skaerven; Lorentz M Irgens; Karin Helweg-Larsen; Bernt Alm; G Norvenius; Göran Wennergren
Combined effects of sleeping position and prenatal risk factors in sudden infant death syndrome: the Nordic Epidemiological SIDS Study.
Pediatrics 1997;100(4):613-21.
1997: Göran Wennergren; Bernt Alm; Nina Oyen; Karin Helweg-Larsen; Joseph Milerad; Rolv Skjaerven; S Gunnar Norvenius; Hugo Lagercrantz; Maria Wennborg; Anne Kjersti Daltveit; Trond Markestad; Lorentz M Irgens
The decline in the incidence of SIDS in Scandinavia and its relation to risk-intervention campaigns. Nordic Epidemiological SIDS Study.
Acta paediatrica (Oslo, Norway : 1992) 1997;86(9):963-8.
1997: Susanne Albrechtsen; Svein Rasmussen; Hallvard Reigstad; Trond Markestad; Lorentz M Irgens; Knut Dalaker
Evaluation of a protocol for selecting fetuses in breech presentation for vaginal delivery or cesarean section.
American journal of obstetrics and gynecology 1997;177(3):586-92.
1997: Petter Kristensen; Lorentz M Irgens; Aage Andersen; A S Bye; L Sundheim
Birth defects among offspring of Norwegian farmers, 1967-1991.
Epidemiology (Cambridge, Mass.) 1997;8(5):537-44.
1997: Petter Kristensen; Lorentz M Irgens; Aage Andersen; A S Bye; L Sundheim
Gestational age, birth weight, and perinatal death among births to Norwegian farmers, 1967-1991.
American journal of epidemiology 1997;146(4):329-38.
1997: Lorenzo D Botto; Muin J Khoury; Pierpaolo Mastroiacovo; Eduardo E Castilla; Cynthia A Moore; R Skjaerven; Osvaldo M Mutchinick; B Borman; Guido Cocchi; A E Czeizel; Janine Goujard; Lorentz M Irgens; Paul Lancaster; María Luisa Martínez-Frías; Paul Merlob; A Ruusinen; Claude Stoll; Y Sumiyoshi
The spectrum of congenital anomalies of the VATER association: an international study.
American journal of medical genetics 1997;71(1):8-15.
1997: Anne Kjersti Daltveit; Nina Oyen; Rolv Skjaerven; Lorentz M Irgens
The epidemic of SIDS in Norway 1967-93: changing effects of risk factors.
Archives of disease in childhood 1997;77(1):23-7.
1997: Petter Kristensen; Lorentz M Irgens; Tor Bjerkedal
Environmental factors, reproductive history, and selective fertility in farmers' sibships.
American journal of epidemiology 1997;145(9):817-25.
1997: Anne Kjersti Daltveit; Stein Emil Vollset; P Otterblad-Olausson; Lorentz M Irgens
Infant mortality in Norway and Sweden 1975-88: a cause-specific analysis of an increasing difference.
Paediatric and perinatal epidemiology 1997;11(2):214-27.
1997: Camilla Stoltenberg; Per Magnus; RT Lie; Anne Kjersti Daltveit; Lorentz M Irgens
Birth defects and parental consanguinity in Norway.
American journal of epidemiology 1997;145(5):439-48.
1997: Nina Oyen; B Haglund; Rolv Skjaerven; Lorentz M Irgens
Maternal smoking, birthweight and gestational age in sudden infant death syndrome (SIDS) babies and their surviving siblings.
Paediatric and perinatal epidemiology 1997;11 Suppl 1():84-95.
1996: H B Hellesen; E Vikane; R T Lie; Lorentz M Irgens
[Maternal diabetes--normalized perinatal mortality, but still high fetal growth].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 1996;116(29):3465-9.
1996: Nina Oyen; Rolv Skjaerven; Lorentz M Irgens
Population-based recurrence risk of sudden infant death syndrome compared with other infant and fetal deaths.
American journal of epidemiology 1996;144(3):300-5.
1996: Petter Kristensen; Aage Andersen; Lorentz M Irgens; A S Bye; L Sundheim
Cancer in offspring of parents engaged in agricultural activities in Norway: incidence and risk factors in the farm environment.
International journal of cancer. Journal international du cancer 1996;65(1):39-50.
1996: Petter Kristensen; Aage Andersen; Lorentz M Irgens; A S Bye; N Vagstad
Testicular cancer and parental use of fertilizers in agriculture.
Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 1996;5(1):3-9.
1995: V von Düring; J M Maltau; F Forsdahl; Thomas Abyholm; R Kolvik; G Ertzeid; A Steier; Valborg Baste; Lorentz M Irgens
[Pregnancy, births and infants after in-vitro-fertilization in Norway, 1988-1991].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 1995;115(17):2054-60.
1995: Lorentz M Irgens; Trond Markestad; Valborg Baste; P Schreuder; Rolv Skjaerven; Nina Oyen
Sleeping position and sudden infant death syndrome in Norway 1967-91.
Archives of disease in childhood 1995;72(6):478-82.
1995: Trond Markestad; Britt Torunn Skadberg; E Hordvik; I Morild; Lorentz M Irgens
Sleeping position and sudden infant death syndrome (SIDS): effect of an intervention programme to avoid prone sleeping.
Acta paediatrica (Oslo, Norway : 1992) 1995;84(4):375-8.
1994: Birgitte Espehaug; Anne Kjersti Daltveit; Stein Emil Vollset; Nina Oyen; A Ericson; Lorentz M Irgens
Infant survival in Norway and Sweden 1985-88.
Acta paediatrica (Oslo, Norway : 1992) 1994;83(9):977-82.
1994: Nina Oyen; Lorentz M Irgens; Rolv Skjaerven; I Morild; Trond Markestad; T O Rognum
Secular trends of sudden infant death syndrome in Norway 1967-1988: application of a method of case identification to Norwegian registry data.
Paediatric and perinatal epidemiology 1994;8(3):263-81.
1993: Lorentz M Irgens; Nina Oyen; Rolv Skjaerven
Recurrence of sudden infant death syndrome among siblings.
Acta paediatrica (Oslo, Norway : 1992). Supplement 1993;82 Suppl 389():23-5.
1993: Lorentz M Irgens; Nina Oyen
Epidemiological definition.
Acta paediatrica (Oslo, Norway : 1992). Supplement 1993;82 Suppl 389():17-9.
1993: Petter Kristensen; Lorentz M Irgens; A K Daltveit; Aage Andersen
Perinatal outcome among children of men exposed to lead and organic solvents in the printing industry.
American journal of epidemiology 1993;137(2):134-44.
1992: R T Lie; Lorentz M Irgens; Rolv Skjaerven; J B Reitan; Per Strand; T Strand
Birth defects in Norway by levels of external and food-based exposure to radiation from Chernobyl.
American journal of epidemiology 1992;136(4):377-88.
1991: Anne Kjersti Daltveit; Lorentz M Irgens; S E Vollset
[Risk factors of deliveries during transport in Norway 1967-88].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 1991;111(10):1217-21.
1991: Lorentz M Irgens; R T Lie; M Ulstein; T Skeie Jensen; Rolv Skjaerven; F Sivertsen; J B Reitan; F Strand; T Strand; F Egil Skjeldestad
Pregnancy outcome in Norway after Chernobyl.
Biomedicine & pharmacotherapy = Biomédecine & pharmacothérapie 1991;45(6):233-41.
1990: M Ulstein; T S Jensen; Lorentz M Irgens; R T Lie; E Sivertsen; F E Skjeldestad
[Pregnancy outcome in some Norwegian counties before and after the Chernobyl accident].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 1990;110(3):359-62.
1990: M Ulstein; T S Jensen; Lorentz M Irgens; R T Lie; E Sivertsen
Outcome of pregnancy in one Norwegian county 3 years prior to and 3 years subsequent to the Chernobyl accident.
Acta obstetricia et gynecologica Scandinavica 1990;69(4):277-80.
1989: Lorentz M Irgens; Rolv Skjaerven; R T Lie
Secular trends of sudden infant death syndrome and other causes of post perinatal mortality in Norwegian birth cohorts 1967-1984.
Acta paediatrica Scandinavica 1989;78(2):228-32.
1988: Rolv Skjaerven; Allen J Wilcox; R T Lie; Lorentz M Irgens
Selective fertility and the distortion of perinatal mortality.
American journal of epidemiology 1988;128(6):1352-63.