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Laurence Freedman

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Kathleen Abu-Saad; Gershon Alpert; Ahmed Atamna; Laurence S Freedman; Flora Lubin; Havi Murad; Arnona Ziv; Ofra Kalter-Leibovici
Jews and Arabs in the same region in Israel exhibit major differences in dietary patterns.
Kathleen Abu-Saad; Arkardy Bolotin; Drora Fraser; Michael Friger; Danit R Shahar; Hillel Vardi; Laurence S Freedman
Adequacy of usual dietary intake and nutritional status among pregnant women in the context of nutrition transition: the DEPOSIT Study.
Victor Kipnis; Douglas Midthune; Laurence S Freedman; Raymond J Carroll
Regression calibration with more surrogates than mismeasured variables.

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2012: Kathleen Abu-Saad; Gershon Alpert; Ahmed Atamna; Laurence S Freedman; Flora Lubin; Havi Murad; Arnona Ziv; Ofra Kalter-Leibovici
Jews and Arabs in the same region in Israel exhibit major differences in dietary patterns.
The Journal of nutrition 2012;142(12):2175-81.
2012: Kathleen Abu-Saad; Arkardy Bolotin; Drora Fraser; Michael Friger; Danit R Shahar; Hillel Vardi; Laurence S Freedman
Adequacy of usual dietary intake and nutritional status among pregnant women in the context of nutrition transition: the DEPOSIT Study.
The British journal of nutrition 2012;108(10):1874-83.
2012: Victor Kipnis; Douglas Midthune; Laurence S Freedman; Raymond J Carroll
Regression calibration with more surrogates than mismeasured variables.
Statistics in medicine 2012;31(23):2713-32.
2012: Ofra Kalter-Leibovici; Liat Lerner-Geva; Nicky Liebermann; Nir Melamed; Liraz Olmer; Orna Tal; Laurence S Freedman; Anthony Heymann; Moshe Hod
Screening and diagnosis of gestational diabetes mellitus: critical appraisal of the new International Association of Diabetes in Pregnancy Study Group recommendations on a national level.
Diabetes care 2012;35(9):1894-6.
2012: Jiska Cohen-Mansfield; Laurence S Freedman; Marcia S Marx; Havi Murad; Khin Thein; Maha Dakheel-Ali
What affects pleasure in persons with advanced stage dementia?
Journal of psychiatric research 2012;46(3):402-6.
2012: Jiska Cohen-Mansfield; Maha Dakheel-Ali; Marcia S Marx; Havi Murad; Khin Thein; Laurence S Freedman
The relationships of environment and personal characteristics to agitated behaviors in nursing home residents with dementia.
The Journal of clinical psychiatry 2012;73(3):392-9.
2011: Jiska Cohen-Mansfield; Laurence S Freedman; Marcia S Marx; Havi Murad; Natalie G Regier; Khin Thein; Maha Dakheel-Ali
The comprehensive process model of engagement.
The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry 2011;19(10):859-70.
2011: Laurence S Freedman; Douglas Midthune; Arthur Schatzkin; Victor Kipnis
Dealing with dietary measurement error in nutritional cohort studies.
Journal of the National Cancer Institute 2011;103(14):1086-92.
2011: Douglas Midthune; Arthur Schatzkin; Marina A Shumakovich; Amy F Subar; Frances E Thompson; Raymond J Carroll; Laurence S Freedman; Victor Kipnis
Validating an FFQ for intake of episodically consumed foods: application to the National Institutes of Health-AARP Diet and Health Study.
Public health nutrition 2011;14(7):1212-21.
2011: Esther Lukasiewicz; Malka Gorfine; Avidan U Neumann; Laurence S Freedman
Combining longitudinal discriminant analysis and partial area under the ROC curve to predict non-response to treatment for hepatitis C virus.
Statistical methods in medical research 2011;20(3):275-89.
2011: Saijuan Zhang; Dennis W Buckman; Kevin W Dodd; Laurence S Freedman; Victor Kipnis; Susan M Krebs-Smith; Douglas Midthune; Adriana Perez; Raymond J Carroll
Fitting a bivariate measurement error model for episodically consumed dietary components.
The international journal of biostatistics 2011;7(1):1.
2010: Ofra Kalter-Leibovici; Nuha Younis-Zeidan; Ahmed Atamna; Flora Lubin; Gershon Alpert; Angela Chetrit; Ilia Novikov; Nihaya Daoud; Laurence S Freedman
Lifestyle intervention in obese Arab women: a randomized controlled trial.
Archives of internal medicine 2010;170(11):970-6.
2010: E Lukasiewicz; Malka Gorfine; Laurence S Freedman; J-M Pawlotsky; S W Schalm; C Ferrari; Stefan Zeuzem; Avidan U Neumann
Prediction of nonSVR to therapy with pegylated interferon-alpha2a and ribavirin in chronic hepatitis C genotype 1 patients after 4, 8 and 12 weeks of treatment.
Journal of viral hepatitis 2010;17(5):345-51.
2009: Victor Kipnis; Douglas Midthune; Dennis W Buckman; Kevin W Dodd; Patricia M Guenther; Susan M Krebs-Smith; Amy F Subar; Janet A Tooze; Raymond J Carroll; Laurence S Freedman
Modeling data with excess zeros and measurement error: application to evaluating relationships between episodically consumed foods and health outcomes.
Biometrics 2009;65(4):1003-10.
2008: Victor Kipnis; Laurence S Freedman
Impact of exposure measurement error in nutritional epidemiology.
Journal of the National Cancer Institute 2008;100(23):1658-9.
2008: Rivka Yanetz; Victor Kipnis; Raymond J Carroll; Kevin W Dodd; Amy F Subar; Arthur Schatzkin; Laurence S Freedman
Using biomarker data to adjust estimates of the distribution of usual intakes for misreporting: application to energy intake in the US population.
Journal of the American Dietetic Association 2008;108(3):455-64; discussion 464.
2008: Douglas Midthune; Victor Kipnis; Laurence S Freedman; Raymond J Carroll
Binary regression in truncated samples, with application to comparing dietary instruments in a large prospective study.
Biometrics 2008;64(1):289-98.
2008: Anne C M Thiébaut; Victor Kipnis; Arthur Schatzkin; Laurence S Freedman
The role of dietary measurement error in investigating the hypothesized link between dietary fat intake and breast cancer--a story with twists and turns.
Cancer investigation 2008;26(1):68-73.
2008: Frances E Thompson; Victor Kipnis; Douglas Midthune; Laurence S Freedman; Raymond J Carroll; Amy F Subar; Charles C Brown; Matthew S Butcher; Traci Mouw; Michael F Leitzmann; Arthur Schatzkin
Performance of a food-frequency questionnaire in the US NIH-AARP (National Institutes of Health-American Association of Retired Persons) Diet and Health Study.
Public health nutrition 2008;11(2):183-95.
2007: Havi Murad; Laurence S Freedman
Estimating and testing interactions in linear regression models when explanatory variables are subject to classical measurement error.
Statistics in medicine 2007;26(23):4293-310.
2007: Havi Murad; Ofra Kalter-Leibovici; Angela Chetrit; Laurence S Freedman
A statistical comparison of different family history scores.
Statistics in medicine 2007;26(14):2785-98.
2007: Laurence S Freedman; Arthur Schatzkin; Anne C M Thiebaut; Nancy Potischman; Amy F Subar; Frances E Thompson; Victor Kipnis
Abandon neither the food frequency questionnaire nor the dietary fat-breast cancer hypothesis.
Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 2007;16(6):1321-2.
2007: Anne C M Thiébaut; Laurence S Freedman; Raymond J Carroll; Victor Kipnis
Is it necessary to correct for measurement error in nutritional epidemiology?
Annals of internal medicine 2007;146(1):65-7.
2006: Kevin W Dodd; Patricia M Guenther; Laurence S Freedman; Amy F Subar; Victor Kipnis; Douglas Midthune; Janet A Tooze; Susan M Krebs-Smith
Statistical methods for estimating usual intake of nutrients and foods: a review of the theory.
Journal of the American Dietetic Association 2006;106(10):1640-50.
2006: Janet A Tooze; Douglas Midthune; Kevin W Dodd; Laurence S Freedman; Susan M Krebs-Smith; Amy F Subar; Patricia M Guenther; Raymond J Carroll; Victor Kipnis
A new statistical method for estimating the usual intake of episodically consumed foods with application to their distribution.
Journal of the American Dietetic Association 2006;106(10):1575-87.
2006: Amy F Subar; Kevin W Dodd; Patricia M Guenther; Victor Kipnis; Douglas Midthune; Margaret McDowell; Janet A Tooze; Laurence S Freedman; Susan M Krebs-Smith
The food propensity questionnaire: concept, development, and validation for use as a covariate in a model to estimate usual food intake.
Journal of the American Dietetic Association 2006;106(10):1556-63.
2006: Flora Lubin; Angela Chetrit; Baruch Modan; Laurence S Freedman
Dietary intake changes and their association with ovarian cancer risk.
The Journal of nutrition 2006;136(9):2362-7.
2006: Laurence S Freedman; Nancy Potischman; Victor Kipnis; Douglas Midthune; Arthur Schatzkin; Frances E Thompson; Richard P Troiano; Ross L Prentice; Ruth Patterson; Raymond Carroll; Amy F Subar
A comparison of two dietary instruments for evaluating the fat-breast cancer relationship.
International journal of epidemiology 2006;35(4):1011-21.
2006: Raymond J Carroll; Douglas Midthune; Laurence S Freedman; Victor Kipnis
Seemingly unrelated measurement error models, with application to nutritional epidemiology.
Biometrics 2006;62(1):75-84.
2006: Stuart G Baker; Garrett M Fitzmaurice; Laurence S Freedman; Barnett S Kramer
Simple adjustments for randomized trials with nonrandomly missing or censored outcomes arising from informative covariates.
Biostatistics (Oxford, England) 2006;7(1):29-40.
2004: Laurence S Freedman; Douglas Midthune; Raymond J Carroll; Susan M Krebs-Smith; Amy F Subar; Richard P Troiano; Kevin W Dodd; Arthur Schatzkin; Sheila A Bingham; Pietro Ferrari; Victor Kipnis
Adjustments to improve the estimation of usual dietary intake distributions in the population.
The Journal of nutrition 2004;134(7):1836-43.
2004: Laurence S Freedman; Vitaly Fainberg; Victor Kipnis; Douglas Midthune; Raymond J Carroll
A new method for dealing with measurement error in explanatory variables of regression models.
Biometrics 2004;60(1):172-81.
2003: Arthur Schatzkin; Victor Kipnis; Raymond J Carroll; Douglas Midthune; Amy F Subar; Sheila Bingham; Dale A Schoeller; Richard P Troiano; Laurence S Freedman
A comparison of a food frequency questionnaire with a 24-hour recall for use in an epidemiological cohort study: results from the biomarker-based Observing Protein and Energy Nutrition (OPEN) study.
International journal of epidemiology 2003;32(6):1054-62.
2003: Laurence S Freedman; Micha Barchana; S Al-Kayed; M B Qasem; J L Young; Brenda K Edwards; Lynn A G Ries; Steven D Roffers; J Harford; Michael Silbermann
A comparison of population-based cancer incidence rates in Israel and Jordan.
European journal of cancer prevention : the official journal of the European Cancer Prevention Organisation (ECP) 2003;12(5):359-65.
2003: Victor Kipnis; Amy F Subar; Douglas Midthune; Laurence S Freedman; Rachel Ballard-Barbash; Richard P Troiano; Sheila Bingham; Dale A Schoeller; Arthur Schatzkin; Raymond J Carroll
Structure of dietary measurement error: results of the OPEN biomarker study.
American journal of epidemiology 2003;158(1):14-21; discussion 22-6.
2003: Stuart G Baker; Laurence S Freedman
A simple method for analyzing data from a randomized trial with a missing binary outcome.
BMC medical research methodology 2003;3():8.
2003: Flora Lubin; Angela Chetrit; Laurence S Freedman; E Alfandary; Y Fishler; H Nitzan; A Zultan; Baruch Modan
Body mass index at age 18 years and during adult life and ovarian cancer risk.
American journal of epidemiology 2003;157(2):113-20.
2001: Arthur Schatzkin; Amy F Subar; Frances E Thompson; Linda C Harlan; Joseph A Tangrea; Albert Russell Hollenbeck; Paul Hurwitz; L Coyle; Nicola Schussler; Dominique S Michaud; Laurence S Freedman; Charles C Brown; Douglas Midthune; Victor Kipnis
Design and serendipity in establishing a large cohort with wide dietary intake distributions : the National Institutes of Health-American Association of Retired Persons Diet and Health Study.
American journal of epidemiology 2001;154(12):1119-25.
2001: Heidi L Weiss; Donald A Urban; William E Grizzle; K A Cronin; Laurence S Freedman; Gary J Kelloff; R Lieberman
Bayesian monitoring of a phase 2 chemoprevention trial in high-risk cohorts for prostate cancer.
Urology 2001;57(4 Suppl 1):220-3.
2001: Lisa M McShane; Douglas Midthune; Joanne F Dorgan; Laurence S Freedman; Raymond J Carroll
Covariate measurement error adjustment for matched case-control studies.
Biometrics 2001;57(1):62-73.
2001: Victor Kipnis; Douglas Midthune; Laurence S Freedman; Sheila Bingham; Arthur Schatzkin; Amy F Subar; Raymond J Carroll
Empirical evidence of correlated biases in dietary assessment instruments and its implications.
American journal of epidemiology 2001;153(4):394-403.
2001: Laurence S Freedman; S Al-Kayed; M B Qasem; Micha Barchana; M Boyiadzis; K El-Najjar; A S Ibrahim; A R Salhab; J L Young; Steven D Roffers; Ernesto Kahan; J Harford; Michael Silbermann
Cancer registration in the Middle East.
Epidemiology (Cambridge, Mass.) 2001;12(1):131-3.
2000: Martin Kulldorff; Lisa M McShane; Arthur Schatzkin; Laurence S Freedman; Michael J Wargovich; C Woods; M Purewal; R W Burt; M Lawson; Donna J Mateski; Elaine Lanza; Donald Corle; B O'Brien; JE Moler
Measuring cell proliferation in the rectal mucosa. comparing bromodeoxyuridine (BrdU) and proliferating cell nuclear antigen (PCNA) assays.
Journal of clinical epidemiology 2000;53(8):875-83.
2000: Laurence S Freedman
The next 10 years of biostatistics.
Statistical methods in medical research 2000;9(1):25-30.
1999: Laurence S Freedman
What is quantitative significance and is it useful?
Statistics in medicine 1999;18(19):2583-4; discussion 2591-2.
1999: Victor Kipnis; Raymond J Carroll; Laurence S Freedman; L Li
Implications of a new dietary measurement error model for estimation of relative risk: application to four calibration studies.
American journal of epidemiology 1999;150(6):642-51.
1999: K A Cronin; Laurence S Freedman; Ronald Lieberman; H L Weiss; Samuel W Beenken; Gary J Kelloff
Bayesian monitoring of phase II trials in cancer chemoprevention.
Journal of clinical epidemiology 1999;52(8):705-11.
1998: Lisa M McShane; Martin Kulldorff; Michael J Wargovich; C Woods; M Purewal; Laurence S Freedman; Donald Corle; R W Burt; Donna J Mateski; M Lawson; Elaine Lanza; B O'Brien; W Lake; JE Moler; Arthur Schatzkin
An evaluation of rectal mucosal proliferation measure variability sources in the polyp prevention trial: can we detect informative differences among individuals' proliferation measures amid the noise?
Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 1998;7(7):605-12.
1998: Michael P Fay; Barry I Graubard; Laurence S Freedman; Douglas Midthune
Conditional logistic regression with sandwich estimators: application to a meta-analysis.
Biometrics 1998;54(1):195-208.
1998: Raymond J Carroll; Laurence S Freedman; Victor Kipnis
Measurement error and dietary intake.
Advances in experimental medicine and biology 1998;445():139-45.
1997: Victor Kipnis; Laurence S Freedman; Charles C Brown; Anne M Hartman; Arthur Schatzkin; Sholom Wacholder
Effect of measurement error on energy-adjustment models in nutritional epidemiology.
American journal of epidemiology 1997;146(10):842-55.
1997: Michael P Fay; Laurence S Freedman
Meta-analyses of dietary fats and mammary neoplasms in rodent experiments.
Breast cancer research and treatment 1997;46(2-3):215-23.
1997: Michael P Fay; Laurence S Freedman; CK Clifford; Douglas Midthune
Effect of different types and amounts of fat on the development of mammary tumors in rodents: a review.
Cancer research 1997;57(18):3979-88.
1997: Martin Kulldorff; Eric J Feuer; Barry A Miller; Laurence S Freedman
Breast cancer clusters in the northeast United States: a geographic analysis.
American journal of epidemiology 1997;146(2):161-70.
1997: R Simon; Laurence S Freedman
Bayesian design and analysis of two x two factorial clinical trials.
Biometrics 1997;53(2):456-64.
1997: Laurence S Freedman; M H Gail; S B Green; Donald Corle
The efficiency of the matched-pairs design of the Community Intervention Trial for Smoking Cessation (COMMIT).
Controlled clinical trials 1997;18(2):131-9.
1997: Raymond J Carroll; David Pee; Laurence S Freedman; Charles C Brown
Statistical design of calibration studies.
The American journal of clinical nutrition 1997;65(4 Suppl):1187S-1189S.
1997: Frances E Thompson; JE Moler; Laurence S Freedman; CK Clifford; Gloria J Stables; Walter C Willett
Register of dietary assessment calibration-validation studies: a status report.
The American journal of clinical nutrition 1997;65(4 Suppl):1142S-1147S.
1997: Arthur Schatzkin; Laurence S Freedman; Joanne F Dorgan; Lisa M McShane; M H Schiffman; S M Dawsey
Using and interpreting surrogate end-points in cancer research.
IARC scientific publications 1997;(142):265-71.
1996: Arthur Schatzkin; Laurence S Freedman; Joanne F Dorgan; L M McShane; Mark Schiffman; Sanford M Dawsey
Surrogate end points in cancer research: a critique.
Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 1996;5(12):947-53.
1996: Demetrius Albanes; OP Heinonen; P R Taylor; Jarmo Virtamo; Brenda K Edwards; Matti Rautalahti; Anne M Hartman; Juni Palmgren; Laurence S Freedman; J Haapakoski; Michael J Barrett; Pirjo Pietinen; Nea Malila; Eero Tala; Kari Liippo; Eija-Riitta M Salomaa; Joseph A Tangrea; L Teppo; Frederic B Askin; E Taskinen; Yener S Erozan; Peter Greenwald; J K Huttunen
Alpha-Tocopherol and beta-carotene supplements and lung cancer incidence in the alpha-tocopherol, beta-carotene cancer prevention study: effects of base-line characteristics and study compliance.
Journal of the National Cancer Institute 1996;88(21):1560-70.
1996: Arthur Schatzkin; Elaine Lanza; Laurence S Freedman; Joseph A Tangrea; M R Cooper; James R Marshall; P A Murphy; J V Selby; Moshe Shike; Robert R Schade; R W Burt; J W Kikendall; J Cahill
The polyp prevention trial I: rationale, design, recruitment, and baseline participant characteristics.
Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 1996;5(5):375-83.
1996: Raymond J Carroll; Laurence S Freedman; A M Hartman
Use of semiquantitative food frequency questionnaires to estimate the distribution of usual intake.
American journal of epidemiology 1996;143(4):392-404.
1995: Lee S Caplan; K J Helzlsouer; S Shapiro; Laurence S Freedman; Ralph J Coates; Brenda K Edwards
System delay in breast cancer in whites and blacks.
American journal of epidemiology 1995;142(8):804-12.
1995: Laurence S Freedman; Richard Simon; M A Foulkes; L Friedman; N L Geller; D J Gordon; R Mowery
Inclusion of women and minorities in clinical trials and the NIH Revitalization Act of 1993--the perspective of NIH clinical trialists.
Controlled clinical trials 1995;16(5):277-85; discussion 286-9, 293-309.
1995: S B Green; Donald Corle; Mitchell H Gail; Steven D Mark; David Pee; Laurence S Freedman; Barry I Graubard; W R Lynn
Interplay between design and analysis for behavioral intervention trials with community as the unit of randomization.
American journal of epidemiology 1995;142(6):587-93.
1995: Stuart G Baker; Laurence S Freedman
Potential impact of genetic testing on cancer prevention trials, using breast cancer as an example.
Journal of the National Cancer Institute 1995;87(15):1137-44.
1995: Arthur Schatzkin; A Goldstein; Laurence S Freedman
What does it mean to be a cancer gene carrier? Problems in establishing causality from the molecular genetics of cancer.
Journal of the National Cancer Institute 1995;87(15):1126-30.
1994: Sholom Wacholder; Arthur Schatzkin; Laurence S Freedman; Victor Kipnis; A Hartman; Charles C Brown
Can energy adjustment separate the effects of energy from those of specific macronutrients?
American journal of epidemiology 1994;140(9):848-55.
1994: Arthur Schatzkin; Laurence S Freedman; Sanford M Dawsey; Elaine Lanza
Interpreting precursor studies: what polyp trials tell us about large-bowel cancer.
Journal of the National Cancer Institute 1994;86(14):1053-7.
1994: S B Green; Laurence S Freedman
Early stopping of prevention trials when multiple outcomes are of interest: a discussion.
Statistics in medicine 1994;13(13-14):1479-84.
1994: Laurence S Freedman; David J Spiegelhalter; M K Parmar
The what, why and how of Bayesian clinical trials monitoring.
Statistics in medicine 1994;13(13-14):1371-83; discussion 1385-9.
1994: Laurence S Freedman
Meta-analysis of animal experiments on dietary fat intake and mammary tumours.
Statistics in medicine 1994;13(5-7):709-18.
1994: Charles C Brown; Victor Kipnis; Laurence S Freedman; Anne M Hartman; Arthur Schatzkin; Sholom Wacholder
Energy adjustment methods for nutritional epidemiology: the effect of categorization.
American journal of epidemiology 1994;139(3):323-38.
1994: Laurence S Freedman; CK Clifford
Meta-analysis of animal experiments: elucidating relationships between dietary fat and mammary tumor development in rodents.
Advances in experimental medicine and biology 1994;364():93-100.
1993: Victor Kipnis; Laurence S Freedman; Charles C Brown; A Hartman; Arthur Schatzkin; Sholom Wacholder
Interpretation of energy adjustment models for nutritional epidemiology.
American journal of epidemiology 1993;137(12):1376-80.
1993: Laurence S Freedman; Douglas Midthune; C C Brown; V Steele; G J Kelloff
Statistical analysis of animal cancer chemoprevention experiments.
Biometrics 1993;49(1):259-68.
1993: Laurence S Freedman; M K Parmar; Stuart G Baker
The design of observer agreement studies with binary assessments.
Statistics in medicine 1993;12(2):165-79.
1992: Laurence S Freedman; Arthur Schatzkin
Sample size for studying intermediate endpoints within intervention trails or observational studies.
American journal of epidemiology 1992;136(9):1148-59.
1992: Laurence S Freedman; B I Graubard; Arthur Schatzkin
Statistical validation of intermediate endpoints for chronic diseases.
Statistics in medicine 1992;11(2):167-78.
1992: Laurence S Freedman; David J Spiegelhalter
Application of Bayesian statistics to decision making during a clinical trial.
Statistics in medicine 1992;11(1):23-35.
1991: Stuart G Baker; Laurence S Freedman; M K Parmar
Using replicate observations in observer agreement studies with binary assessments.
Biometrics 1991;47(4):1327-38.
1991: Laurence S Freedman; Raymond J Carroll; Y Wax
Estimating the relation between dietary intake obtained from a food frequency questionnaire and true average intake.
American journal of epidemiology 1991;134(3):310-20.
1990: Laurence S Freedman; A Schatzkin; Y Wax
The impact of dietary measurement error on planning sample size required in a cohort study.
American journal of epidemiology 1990;132(6):1185-95.
1990: Arthur Schatzkin; Laurence S Freedman; Mark Schiffman; Sanford M Dawsey
Validation of intermediate end points in cancer research.
Journal of the National Cancer Institute 1990;82(22):1746-52.
1990: Laurence S Freedman; C Clifford; M Messina
Analysis of dietary fat, calories, body weight, and the development of mammary tumors in rats and mice: a review.
Cancer research 1990;50(18):5710-9.
1990: Laurence S Freedman; S B Green; D P Byar
Assessing the gain in efficiency due to matching in a community intervention study.
Statistics in medicine 1990;9(8):943-52.
1990: Laurence S Freedman; S B Green
Statistical designs for investigating several interventions in the same study: methods for cancer prevention trials.
Journal of the National Cancer Institute 1990;82(11):910-4.
1990: Laurence S Freedman
The effect of partial noncompliance on the power of a clinical trial.
Controlled clinical trials 1990;11(3):157-68.
1990: S B Green; S S Ellenberg; D Finkelstein; A B Forsythe; Laurence S Freedman; K Freeman; M Lefkopoulou; D Schoenfeld; Rebecca Smith
Issues in the design of drug trials for AIDS.
Controlled clinical trials 1990;11(2):80-7.
1989: Laurence S Freedman; David J Spiegelhalter
Comparison of Bayesian with group sequential methods for monitoring clinical trials.
Controlled clinical trials 1989;10(4):357-67.