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A M H P van den Besselaar

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A M H P van den Besselaar; Evelina Witteveen; Felix J M van der Meer
Long-term stability of frozen pooled plasmas stored at -70°C, -40°C, and -20°C for prothrombin time and International Normalized Ratio (INR) assessment.
A M H P van den Besselaar; Joke van der Feest; Jetty van Ooijen; Evelina Witteveen; Kerst de Jong; Marij Ebben; Maria B J Ganzeboom; Nathalie C V Péquériaux; Ferna Postema; Felix J M van der Meer
Point-of-care monitoring of vitamin K-antagonists: validation of CoaguChek XS test strips with International Standard thromboplastin.
A M H P van den Besselaar
Artificially depleted plasmas are not necessarily commutable with native patient plasmas for International Sensitivity Index calibration and International Normalized Ratio derivation.

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2013: A M H P van den Besselaar; Evelina Witteveen; Felix J M van der Meer
Long-term stability of frozen pooled plasmas stored at -70°C, -40°C, and -20°C for prothrombin time and International Normalized Ratio (INR) assessment.
Thrombosis research 2013;131(4):349-51.
2012: A M H P van den Besselaar; Joke van der Feest; Jetty van Ooijen; Evelina Witteveen; Kerst de Jong; Marij Ebben; Maria B J Ganzeboom; Nathalie C V Péquériaux; Ferna Postema; Felix J M van der Meer
Point-of-care monitoring of vitamin K-antagonists: validation of CoaguChek XS test strips with International Standard thromboplastin.
Journal of clinical pathology 2012;65(11):1031-5.
2012: A M H P van den Besselaar
Artificially depleted plasmas are not necessarily commutable with native patient plasmas for International Sensitivity Index calibration and International Normalized Ratio derivation.
Journal of thrombosis and haemostasis : JTH 2012;10(2):303-5.
2011: A M H P van den Besselaar; E Witteveen; Armando Tripodi
Calibration of combined thromboplastins with the International Standard for Thromboplastin, rabbit, plain.
Journal of thrombosis and haemostasis : JTH 2011;9(4):881-2.
2010: Armando Tripodi; Veena Chantarangkul; A M H P van den Besselaar; E Witteveen; A R Hubbard
International collaborative study for the calibration of a proposed international standard for thromboplastin, human, plain.
Journal of thrombosis and haemostasis : JTH 2010;8(9):2066-8.
2010: J H H Van Geest-Daalderop; R J Kraaijenhagen; F J M Van Der Meer; A M H P van den Besselaar
Intraindividual variation of the International Normalized Ratio in patients monitored with a recombinant human thromboplastin.
Journal of thrombosis and haemostasis : JTH 2010;8(7):1641-2.
2010: A M H P van den Besselaar; Veena Chantarangkul; Armando Tripodi
Thromboplastin standards.
Biologicals : journal of the International Association of Biological Standardization 2010;38(4):430-6.
2010: A M H P van den Besselaar; E Breukink; M C Koorengevel
Phosphatidylglycerol and daptomycin synergistically inhibit tissue factor-induced coagulation in the prothrombin time test.
Journal of thrombosis and haemostasis : JTH 2010;8(6):1429-30.
2010: A M H P van den Besselaar; Veena Chantarangkul; Armando Tripodi
Effect of prothrombin time outlier exclusion rules on ISI calibration in multicentre studies.
Thrombosis research 2010;125(6):523-8.
2010: Joergen Jespersen; Leon Poller; A M H P van den Besselaar; Felix J M van der Meer; Gualtiero Palareti; Armando Tripodi; Caroline Shiach; Michelle Keown; Saied Ibrahim
External quality assessment (EQA) for CoaguChek monitors.
Thrombosis and haemostasis 2010;103(5):936-41.
2010: A M H P van den Besselaar
Photochemical decomposition of dipyridamole in aqueous solution and the utilization of citrate-theophylline-adenosine-dipyridamole anticoagulant for monitoring of heparin.
International journal of laboratory hematology 2010;32(2):265-7.
2009: A M H P van den Besselaar; F J L M Haas; F van der Graaf; A W H M Kuypers
Harmonization of fibrinogen assay results: study within the framework of the Dutch project 'Calibration 2000'.
International journal of laboratory hematology 2009;31(5):513-20.
2009: Johanna H H van Geest-Daalderop; Nathalie C V Péquériaux; A M H P van den Besselaar
Variability of INR in patients on stable long-term treatment with phenprocoumon and acenocoumarol and implications for analytical quality requirements.
Thrombosis and haemostasis 2009;102(3):588-92.
2009: S Jowett; Stirling Bryan; L Poller; A M H P van den Besselaar; F J M VAN DER Meer; G Palareti; C Shiach; A Tripodi; M Keown; S Ibrahim; G Lowe; M Moia; A G Turpie; J Jespersen
The cost-effectiveness of computer-assisted anticoagulant dosage: results from the European Action on Anticoagulation (EAA) multicentre study.
Journal of thrombosis and haemostasis : JTH 2009;7(9):1482-90.
2009: A M H P van den Besselaar; K M J Devreese; P G de Groot; A Castel
Lupus anticoagulant: case-based external quality assessment.
Journal of clinical pathology 2009;62(8):731-4.
2009: Leon Poller; Michelle Keown; Saied Ibrahim; Gordon Lowe; Marco Moia; Alexander G Turpie; Christopher Roberts; A M H P van den Besselaar; Felix J M van der Meer; Armando Tripodi; Gualtiero Palareti; Caroline Shiach; Stirling Bryan; Meyer Samama; Michael Burgess-Wilson; Anthony Heagerty; Peter Maccallum; David Wright; Jørgen Jespersen
A multicentre randomised assessment of the DAWN AC computer-assisted oral anticoagulant dosage program.
Thrombosis and haemostasis 2009;101(3):487-94.
2009: W Plesch; A M H P van den Besselaar
Validation of the international normalized ratio (INR) in a new point-of-care system designed for home monitoring of oral anticoagulation therapy.
International journal of laboratory hematology 2009;31(1):20-5.
2008: Leon Poller; Michelle Keown; Saied Ibrahim; Gordon Lowe; Marco Moia; Alexander G Turpie; Christopher Roberts; A M H P van den Besselaar; Felix J M van der Meer; Armando Tripodi; Gualtiero Palareti; Jørgen Jespersen
A multicentre randomised clinical endpoint study of PARMA 5 computer-assisted oral anticoagulant dosage.
British journal of haematology 2008;143(2):274-83.
2008: Leon Poller; Michelle Keown; S Ibrahim; G Lowe; M Moia; A G Turpie; C Roberts; A M H P van den Besselaar; Felix J M van der Meer; Armando Tripodi; G Palareti; Caroline Shiach; Stirling Bryan; M Samama; M Burgess-Wilson; A Heagerty; P Maccallum; D Wright; Jørgen Jespersen
An international multicenter randomized study of computer-assisted oral anticoagulant dosage vs. medical staff dosage.
Journal of thrombosis and haemostasis : JTH 2008;6(6):935-43.
2008: A M H P van den Besselaar; A R Hubbard; A Tripodi
Continuation of the international standard thromboplastin (human, recombinant, plain) by means of a replacement reconstitution fluid.
Journal of thrombosis and haemostasis : JTH 2008;6(6):1042-3.
2008: W Plesch; T Wolf; N Breitenbeck; L D Dikkeschei; A Cervero; P L Perez; A M H P van den Besselaar
Results of the performance verification of the CoaguChek XS system.
Thrombosis research 2008;123(2):381-9.
2007: A M H P van den Besselaar; Armando Tripodi
Effect of daptomycin on prothrombin time and the requirement for outlier exclusion in International Sensitivity Index calibration of thromboplastin.
Journal of thrombosis and haemostasis : JTH 2007;5(9):1975-6.
2007: Ingrid Leichsenring; Winfried Plesch; Volker Unkrig; Steve Kitchen; Dianne P Kitchen; Rhona Maclean; Bert Dikkeschei; A M H P van den Besselaar
Multicentre ISI assignment and calibration of the INR measuring range of a new point-of-care system designed for home monitoring of oral anticoagulation therapy.
Thrombosis and haemostasis 2007;97(5):856-61.
2007: A M H P van den Besselaar; Martha M C L Hoekstra; Evelina Witteveen; Jan H Didden; Felix J M van der Meer
Influence of blood collection systems on the prothrombin time and international sensitivity index determined with human and rabbit thromboplastin reagents.
American journal of clinical pathology 2007;127(5):724-9.
2007: Leon Poller; Michelle Keown; S Ibrahim; A M H P van den Besselaar; C Roberts; K Stevenson; Armando Tripodi; A Pattison; Jørgen Jespersen
Comparison of local International Sensitivity Index calibration and 'Direct INR' methods in correction of locally reported International Normalized Ratios: an international study.
Journal of thrombosis and haemostasis : JTH 2007;5(5):1002-9.
2007: A M H P van den Besselaar; Martha M C L Hoekstra; Felix J M van der Meer
Quality control of CoaguChek test strips in the Netherlands.
Thrombosis and haemostasis 2007;97(2):323-4.
2006: Piet Meijer; Cornelis Kluft; Leon Poller; Felix J M van der Meer; Michelle Keown; Saied Ibrahim; A M H P van den Besselaar; Armando Tripodi; Jørgen Jespersen
A national field study of quality assessment of CoaguChek point-of-care testing prothrombin time monitors.
American journal of clinical pathology 2006;126(5):756-61.
2006: Leon Poller; Michelle Keown; Saied A Ibrahim; Felix J M van der Meer; A M H P van den Besselaar; Armando Tripodi; Jørgen Jespersen; Pieter Meijer; Cornelis Kluft
Quality assessment of CoaguChek point-of-care prothrombin time monitors: comparison of the European community-approved procedure and conventional external quality assessment.
Clinical chemistry 2006;52(10):1843-7.
2006: Thomas P J Linsinger; A M H P van den Besselaar; Armando Tripodi
Long-term stability of relationships between reference materials for thromboplastins.
Thrombosis and haemostasis 2006;96(2):210-4.
2006: Veena Chantarangkul; A M H P van den Besselaar; Evelina Witteveen; Armando Tripodi
International collaborative study for the calibration of a proposed international standard for thromboplastin, rabbit, plain.
Journal of thrombosis and haemostasis : JTH 2006;4(6):1339-45.
2006: A M H P van den Besselaar; Fred J L M Haas; Aldy W H M Kuypers
Harmonisation of factor VIII:C assay results: study within the framework of the Dutch project 'Calibration 2000'.
British journal of haematology 2006;132(1):75-9.
2005: A M H P van den Besselaar; A Tripodi
Is there a need for replacement of the International Reference Preparation for Thromboplastin, Bovine, Combined (OBT/79)?
Journal of thrombosis and haemostasis : JTH 2005;3(10):2365-6.
2005: A M H P van den Besselaar; Martha M C L Hoekstra
Long-term stability and reproducibility of CoaguChek test strips.
Thrombosis and haemostasis 2005;93(6):1189-92.
2005: Leon Poller; Michelle Keown; Nikhil Chauhan; A M H P van den Besselaar; Armando Tripodi; Caroline Shiach; Jørgen Jespersen
European Concerted Action on Anticoagulation. A multicentre calibration study of WHO international reference preparations for thromboplastin, rabbit (RBT/90) and human (rTF/95).
Journal of clinical pathology 2005;58(6):667-9.
2005: Johanna H H van Geest-Daalderop; André B Mulder; Leandra J M Boonman-de Winter; Martha M C L Hoekstra; A M H P van den Besselaar
Preanalytical variables and off-site blood collection: influences on the results of the prothrombin time/international normalized ratio test and implications for monitoring of oral anticoagulant therapy.
Clinical chemistry 2005;51(3):561-8.
2005: A M H P van den Besselaar; W P F Rutten; Evelina Witteveen
Effect of magnesium contamination in evacuated blood collection tubes on the prothrombin time test and ISI calibration using recombinant human thromboplastin and different types of coagulometer.
Thrombosis research 2005;115(3):239-44.
2004: A M H P van den Besselaar; TW Barrowcliffe; L L Houbouyan-Réveillard; Jørgen Jespersen; M Johnston; Leon Poller; Armando Tripodi
Guidelines on preparation, certification, and use of certified plasmas for ISI calibration and INR determination.
Journal of thrombosis and haemostasis : JTH 2004;2(11):1946-53.
2004: A M H P van den Besselaar; Leon Poller; A Tripodi
Definition of the International Normalized Ratio (INR) and its consequences for the calibration procedure of thromboplastin preparations: a rebuttal.
Journal of thrombosis and haemostasis : JTH 2004;2(8):1490-1; reply 1492-4.
2004: Leon Poller; Michelle Keown; Nikhil Chauhan; A M H P van den Besselaar; Armando Tripodi; Caroline Shiach; Jørgen Jespersen
European concerted action on anticoagulation. Quality assessment of the CoaguChek Mini and TAS PT-NC point-of-care whole-blood prothrombin time monitors.
Clinical chemistry 2004;50(3):537-44.
2004: Wim P M Houdijk; A M H P van den Besselaar
International multicenter international sensitivity index (ISI) calibration of a new human tissue factor thromboplastin reagent derived from cultured human cells.
Journal of thrombosis and haemostasis : JTH 2004;2(2):266-70.
2003: A M H P van den Besselaar; Wim P M Houdijk
Use of lyophilized calibrant plasmas for simplified international normalized ratio determination with a human tissue factor thromboplastin reagent derived from cultured human cells.
Clinical chemistry 2003;49(12):2006-11.
2003: A P A Gadisseur; W G M Breukink-Engbers; Felix J M van der Meer; A M H P van den Besselaar; Augueste Sturk; Frits R Rosendaal
Comparison of the quality of oral anticoagulant therapy through patient self-management and management by specialized anticoagulation clinics in the Netherlands: a randomized clinical trial.
Archives of internal medicine 2003;163(21):2639-46.
2003: Leon Poller; Michelle Keown; Nikhil Chauhan; A M H P van den Besselaar; Armando Tripodi; Caroline Shiach; Jørgen Jespersen
European Concerted Action on Anticoagulation. Correction of displayed international normalized ratio on two point-of-care test whole-blood prothrombin time monitors (CoaguChek Mini and TAS PT-NC) by independent international sensitivity index calibration.
British journal of haematology 2003;122(6):944-9.
2003: A Tripodi; W G M Breukink-Engbers; A M H P van den Besselaar
Oral anticoagulant monitoring by laboratory or near-patient testing: what a clinician should be aware of.
Seminars in vascular medicine 2003;3(3):243-54.
2003: Leon Poller; Michelle Keown; Nikhil Chauhan; A M H P van den Besselaar; Armando Tripodi; Caroline Shiach; Jørgen Jespersen
Reliability of international normalised ratios from two point of care test systems: comparison with conventional methods.
BMJ (Clinical research ed.) 2003;327(7405):30.
2003: Leon Poller; Michelle Keown; Nikhil Chauhan; A M H P van den Besselaar; Armando Tripodi; Caroline Shiach; Jørgen Jespersen
European Concerted Action on Anticoagulation (ECAA): an assessment of a method for ISI calibration of two whole blood point-of-care PT monitor systems based on lyophilized plasmas using whole blood equivalent PT.
Journal of thrombosis and haemostasis : JTH 2003;1(4):766-72.
2003: Leon Poller; Michelle Keown; Nikhil Chauhan; A M H P van den Besselaar; Armando Tripodi; Jørgen Jespersen; Caroline Shiach
European concerted action on anticoagulation. Minimum numbers of lyophilized plasma samples for ISI calibration of CoaguChek and TAS point-of-care whole blood prothrombin time monitors.
American journal of clinical pathology 2003;119(2):232-40.
2003: Leon Poller; Michelle Keown; Nikhil Chauhan; A M H P van den Besselaar; Armando Tripodi; Caroline Shiach; Jørgen Jespersen
European Concerted Action on Anticoagulation (ECAA). An assessment of lyophilised plasmas for ISI calibration of CoaguChek and TAS whole blood prothrombin time monitors.
Journal of clinical pathology 2003;56(2):114-9.
2003: A M H P van den Besselaar; Evelina Witteveen; Joyce Meeuwisse-Braun; Felix J M van der Meer
The influence of exogenous magnesium chloride on the apparent INR determined with human, rabbit, and bovine thromboplastin reagents.
Thrombosis and haemostasis 2003;89(1):43-7.
2002: Leon Poller; Michelle Keown; Nikhil Chauhan; Caroline Shiach; A M H P van den Besselaar; Armando Tripodi; Jørgen Jespersen
European Concerted Action on Anticoagulation (ECAA): International Normalized Ratio variability of CoaguChek and TAS point-of-care testing whole blood prothrombin time monitors.
Thrombosis and haemostasis 2002;88(6):992-5.
2002: Leon Poller; Michelle Keown; Nikhil Chauhan; A M H P van den Besselaar; Armando Tripodi; Caroline Shiach; Jørgen Jespersen
European Concerted Action on Anticoagulation. Evaluation of a method for International Sensitivity Index calibration of two point-of-care prothrombin time (PT) monitoring systems (CoaguChek Mini and TAS PT-NC) with fresh plasmas based on whole-blood equivalent PT.
Clinical chemistry 2002;48(10):1672-80.
2002: A M H P van den Besselaar; Augueste Sturk; G L A Reijnierse
Monitoring of unfractionated heparin with the activated partial thromboplastin time: determination of therapeutic ranges.
Thrombosis research 2002;107(5):235-40.
2002: A M H P van den Besselaar; Armando Tripodi
A reassessment of the relationship between international reference preparations for human and rabbit thromboplastins.
Thrombosis and haemostasis 2002;88(3):459-61.
2002: Leon Poller; Michelle Keown; Nikhil Chauhan; A M H P van den Besselaar; Armando Tripodi; Caroline Shiach; Jørgen Jespersen
European Concerted Action on Anticoagulation (ECAA). Minimum number of centres for reliable International Sensitivity Index calibration of CoaguChek and TAS point-of-care whole blood monitors.
Thrombosis research 2002;107(1-2):61-6.
2002: Leon Poller; Michelle Keown; Nikhil Chauhan; A M H P van den Besselaar; Armando Tripodi; Jørgen Jespersen; Caroline Shiach
Minimum numbers of fresh whole blood and plasma samples from patients and healthy subjects for ISI calibration of CoaguChek and RapidPointCoag monitors.
American journal of clinical pathology 2002;117(6):892-9.
2002: Leon Poller; Michelle Keown; Nikhil Chauhan; A M H P van den Besselaar; Armando Tripodi; Caroline Shiach; Jørgen Jespersen
European Concerted Action on Anticoagulation--comparison of fresh plasma and whole blood multicentre ISI calibrations of CoaguChek Mini and TAS PT-NC whole blood prothrombin time point-of-care monitors.
Thrombosis and haemostasis 2002;87(5):859-66.
2002: Leon Poller; Michelle Keown; Nikhil Chauhan; A M H P van den Besselaar; Armando Tripodi; Jørgen Jespersen; Caroline Shiach; M H Horellou; D Dias; N Egberg; J A Iriarte; I Kontopoulou-Griva; B Otridge
European Concerted Action on Anticoagulation (ECAA): multicentre international sensitivity index calibration of two types of point-of-care prothrombin time monitor systems.
British journal of haematology 2002;116(4):844-50.
2002: A M H P van den Besselaar; L L Houbouyan-Réveillard
Field study of lyophilized calibrant plasmas for fresh plasma INR determination.
Thrombosis and haemostasis 2002;87(2):277-81.
2002: Leon Poller; Michelle Keown; Nikhil Chauhan; A M H P van den Besselaar; Joyce Meeuwisse-Braun; Armando Tripodi; Mariagrazia Clerici; Jørgen Jespersen
European concerted action on anticoagulation. Use of plasma samples to derive international sensitivity index for whole-blood prothrombin time monitors.
Clinical chemistry 2002;48(2):255-60.
2002: A M H P van den Besselaar
Magnesium and manganese ions accelerate tissue factor-induced coagulation independently of factor IX.
Blood coagulation & fibrinolysis : an international journal in haemostasis and thrombosis 2002;13(1):19-23.
2001: A M H P van den Besselaar
Accuracy, precision, and quality control for point-of-care testing of oral anticoagulation.
Journal of thrombosis and thrombolysis 2001;12(1):35-40.
2001: A M H P van den Besselaar; W van Dam; Augueste Sturk; Rogier M Bertina
Prothrombin time ratio is reduced by magnesium contamination in evacuated blood collection tubes.
Thrombosis and haemostasis 2001;85(4):647-50.
2000: A M H P van den Besselaar; Veena Chantarangkul; Armando Tripodi
A comparison of two sodium citrate concentrations in two evacuated blood collection systems for prothrombin time and ISI determination.
Thrombosis and haemostasis 2000;84(4):664-7.
2000: A M H P van den Besselaar; Joyce Meeuwisse-Braun; H Schaefer-van Mansfeld; CJ van Rijn; Evelina Witteveen
A comparison between capillary and venous blood international normalized ratio determinations in a portable prothrombin time device.
Blood coagulation & fibrinolysis : an international journal in haemostasis and thrombosis 2000;11(6):559-62.
2000: A M H P van den Besselaar; Anne Moor
Photodynamic treatment of pooled coumarin plasma for external quality assessment of the prothrombin time.
Journal of clinical pathology 2000;53(6):470-5.
1999: A M H P van den Besselaar
International normalized ratio: towards improved accuracy.
Thrombosis and haemostasis 1999;82(6):1562-3.
1999: A M H P van den Besselaar; L L Houbouyan-Reveillard; M F Aillaud; K W Denson; C Droullé; M Johnston; S Kitchen; T L Lindahl; M Marren; M E Martinuzzo; Armando Tripodi; C Vergnes
Multicenter evaluation of lyophilized and deep-frozen plasmas for assignment of the International Normalized Ratio.
Thrombosis and haemostasis 1999;82(5):1451-5.
1999: Leon Poller; A M H P van den Besselaar; Jørgen Jespersen; Armando Tripodi; D Houghton
Correction for lack of coincidence of normal and abnormal calibration slopes in ISI determination.
Thrombosis and haemostasis 1999;81(6):935-9.
1999: Leon Poller; A M H P van den Besselaar; Jørgen Jespersen; Armando Tripodi; D Houghton
The effect of sample size on fresh plasma thromboplastin ISI determination.
British journal of haematology 1999;105(3):655-63.
1999: A M H P van den Besselaar; L L Houbouyan; M F Aillaud; K W Denson; M Johnston; S Kitchen; T L Lindahl; M Marren; M E Martinuzzo; C Droullé; Armando Tripodi; C Vergnes
Influence of three types of automated coagulometers on the international sensitivity index (ISI) of rabbit, human, and recombinant human tissue factor preparations--a multicenter study.
Thrombosis and haemostasis 1999;81(1):66-70.
1998: A M H P van den Besselaar; Evelina Witteveen; H Schaefer-van Mansfeld; CJ van Rijn; Felix J M van der Meer
Effect of plasma pooling on the International Sensitivity Index of prothrombin time systems.
Blood coagulation & fibrinolysis : an international journal in haemostasis and thrombosis 1998;9(7):645-51.
1998: Leon Poller; A M H P van den Besselaar; Jørgen Jespersen; Armando Tripodi; D Houghton
The European Concerted Action on Anticoagulation (ECAA): field studies of coagulometer effects on the ISI of ECAA thromboplastins.
Thrombosis and haemostasis 1998;80(4):615-23.
1998: RB Fairweather; Jack Ansell; A M H P van den Besselaar; John T Brandt; Henry Bussey; Leon Poller; DA Triplett; Richard H White
College of American Pathologists Conference XXXI on laboratory monitoring of anticoagulant therapy: laboratory monitoring of oral anticoagulant therapy.
Archives of pathology & laboratory medicine 1998;122(9):768-81.
1998: Leon Poller; A M H P van den Besselaar; Jørgen Jespersen; Armando Tripodi; D Houghton
A comparison of linear and orthogonal regression analysis for local INR determination in ECAA coagulometer studies. European Concerted Action on Anticoagulation.
British journal of haematology 1998;102(4):910-7.
1998: Leon Poller; A M H P van den Besselaar; Jørgen Jespersen; Armando Tripodi; D Houghton
A comparison of artificially-depleted, lyophilized coumarin and fresh coumarin plasmas in thromboplastin calibration. European Concerted Action on Anticoagulation.
British journal of haematology 1998;101(3):462-7.
1998: A M H P van den Besselaar; Joyce Meeuwisse-Braun; Evelina Witteveen; E van Meegen
Effect of evacuated blood collection tubes on thromboplastin calibration.
Thrombosis and haemostasis 1998;79(5):1062-3.
1998: Leon Poller; A M H P van den Besselaar; Jørgen Jespersen; Armando Tripodi; D Houghton
The importance of "like to like" ISI calibrations with freeze dried plasmas. European Concerted Action on Anticoagulation.
Journal of clinical pathology 1998;51(4):275-9.
1998: Leon Poller; TW Barrowcliffe; A M H P van den Besselaar; Jørgen Jespersen; Armando Tripodi; D Houghton
Minimum lyophilized plasma requirement for ISI calibration. European Concerted Action on Anticoagulation.
American journal of clinical pathology 1998;109(2):196-204.
1998: Leon Poller; TW Barrowcliffe; A M H P van den Besselaar; Jørgen Jespersen; Armando Tripodi; D Houghton
The European Concerted Action on Anticoagulation (ECAA) evaluation of a set of lyophilized normal plasmas to establish the normal prothrombin time for coagulometer systems.
Thrombosis and haemostasis 1998;79(1):122-8.
1997: A M H P van den Besselaar; Joyce Meeuwisse-Braun; H Schaefer-van Mansfeld; Evelina Witteveen; CJ van Rijn
Influence of plasma volumetric errors on the prothrombin time ratio and International Sensitivity Index.
Blood coagulation & fibrinolysis : an international journal in haemostasis and thrombosis 1997;8(7):431-5.
1997: Leon Poller; TW Barrowcliffe; A M H P van den Besselaar; Jørgen Jespersen; Armando Tripodi; D Houghton
A simplified statistical method for local INR using linear regression. European Concerted Action on Anticoagulation.
British journal of haematology 1997;98(3):640-7.
1997: A M H P van den Besselaar; CJ van Rijn; D A Taberner; L J Goodman; Leon Poller; K Clarke
Heat stability of two candidate international reference preparations for recombinant human tissue factor.
Thrombosis and haemostasis 1997;78(2):852-4.
1997: A M H P van den Besselaar; J Neuteboom; Joyce Meeuwisse-Braun; R M Bertina
Preparation of lyophilized partial thromboplastin time reagent composed of synthetic phospholipids: usefulness for monitoring heparin therapy.
Clinical chemistry 1997;43(7):1215-22.
1996: Leon Poller; TW Barrowcliffe; A M H P van den Besselaar; Jørgen Jespersen; Armando Tripodi; D Houghton
European Concerted Action on Anticoagulation (ECAA)-the multicentre calibration of rabbit and human ECAA reference thromboplastins. Steering Committee.
Thrombosis and haemostasis 1996;76(6):977-82.
1996: A M H P van den Besselaar
Precision and accuracy of the international normalized ratio in oral anticoagulant control.
Haemostasis 1996;26 Suppl 4():248-65.
1996: A M H P van den Besselaar; R H Peters
Multicentre evaluation of the Thrombotest International Sensitivity Index used with a steel ball coagulometer.
Journal of clinical pathology 1996;49(5):414-7.
1996: A M H P van den Besselaar
Comparison of lyophilized plasmas with fresh plasmas for calibration of thromboplastin reagents in oral anticoagulant control.
British journal of haematology 1996;93(2):437-44.
1995: A M H P van den Besselaar
Multi-center calibration of the third BCR reference material for thromboplastin, rabbit, plain, coded CRM 149S. Long-term stability of previous BCR reference materials.
Thrombosis and haemostasis 1995;74(6):1465-7.
1995: A M H P van den Besselaar; Joyce Meeuwisse-Braun; A Strebus; H Schaefer-van Mansfeld; Evelina Witteveen; F J van der Meer
Response of the activated partial thromboplastin time (APTT) to heparin is influenced by coagulometers.
Thrombosis and haemostasis 1995;74(5):1383-4.
1995: A M H P van den Besselaar; Evelina Witteveen; H Schaefer-van Mansfeld; Joyce Meeuwisse-Braun; A Strebus
Accelerated degradation test of lyophilized recombinant tissue factor-liposome preparations.
Thrombosis and haemostasis 1995;73(3):392-7.
1994: A M H P van den Besselaar
Use of lyophilized calibration plasmas and control blood for international normalized ratio calculation in external quality assessment of the prothrombin time.
American journal of clinical pathology 1994;102(1):123-7.
1994: A M H P van den Besselaar
The response of Quick's prothrombin time test to oral anticoagulation. Influence of thromboplastin source and calcium chloride concentration.
Archives of pathology & laboratory medicine 1994;118(2):145-9.
1993: A M H P van den Besselaar; J Neuteboom; R M Bertina
Effect of synthetic phospholipids on the response of the activated partial thromboplastin time to heparin.
Blood coagulation & fibrinolysis : an international journal in haemostasis and thrombosis 1993;4(6):895-903.
1993: A M H P van den Besselaar
Multi-center study of replacement of the international reference preparation for thromboplastin, rabbit, plain.
Thrombosis and haemostasis 1993;70(5):794-9.
1993: A M H P van den Besselaar; Joyce Meeuwisse-Braun
Enzymatic elimination of heparin from plasma for activated partial thromboplastin time and prothrombin time testing.
Blood coagulation & fibrinolysis : an international journal in haemostasis and thrombosis 1993;4(4):635-8.
1993: A M H P van den Besselaar; R M Bertina
Multi-center study of thromboplastin calibration precision--influence of reagent species, composition, and International Sensitivity Index (ISI).
Thrombosis and haemostasis 1993;69(1):35-40.
1992: A M H P van den Besselaar; Joyce Meeuwisse-Braun; H Schaefer-Van Mansfeld
Deterioration of reference material for human thromboplastin.
Thrombosis and haemostasis 1992;67(6):726.
1992: R Vis; A M H P van den Besselaar; Evelina Witteveen; Joyce Meeuwisse-Braun; H Schaefer-van Mansfeld
Artificial prolongation of the prothrombin time of lyophilized plasma induced by transportation with solid carbon dioxide.
Thrombosis and haemostasis 1992;67(6):725.
1991: A M H P van den Besselaar; R M Bertina
Multi-center calibration of the second reference material for thromboplastin rabbit, plain, coded CRM 149R.
Thrombosis and haemostasis 1991;65(3):263-7.
1990: A M H P van den Besselaar
Recommended method for reporting therapeutic control of oral anticoagulant therapy. Control of Anticoagulation Subcommittee of the Scientific and Standardization Committee of the International Society on Thrombosis and Haemostasis.
Thrombosis and haemostasis 1990;63(2):316-7.
1990: A M H P van den Besselaar; Joyce Meeuwisse-Braun; R M Bertina
Monitoring heparin therapy: relationships between the activated partial thromboplastin time and heparin assays based on ex-vivo heparin samples.
Thrombosis and haemostasis 1990;63(1):16-23.
1987: A M H P van den Besselaar; Joyce Meeuwisse-Braun; R Jansen-Grüter; R M Bertina
Monitoring heparin therapy by the activated partial thromboplastin time--the effect of pre-analytical conditions.
Thrombosis and haemostasis 1987;57(2):226-31.
1986: A M H P van den Besselaar; J Hermans; E A van der Velde; E Bussemaker-Verduyn den Boer; L P van Halem-Visser; R Jansen-Grüter; E A Loeliger
The calibration of rabbit tissue thromboplastins: experience of the Dutch Reference Laboratory for anticoagulant control.
Journal of biological standardization 1986;14(4):305-17.
1983: A M H P van den Besselaar; L P van Halem-Visser; E A Loeliger
The use of evacuated tubes for blood collection in oral anticoagulant control.
Thrombosis and haemostasis 1983;50(3):676-7.
1980: A M H P van den Besselaar; L P van Halem-Visser; E A Loeliger; J Hermans
Stability of international reference thromboplastins.
British journal of haematology 1980;45(1):153-60.
1980: A M H P van den Besselaar; L P van Halem-Visser; M Hoekstra-Schuman; W van der Marel-van Nieuwkoop; E A Loeliger
Simplified thromboplastin calibration. Further experience of the Dutch Reference Laboratory for Anticoagulant Control.
Thrombosis and haemostasis 1980;43(1):53-7.