Thrombosis and Haemostasis, Table of Contents Thromb Haemost 1978; 39(01): 210-214DOI: 10.1055/s-0038-1646671 Original Article Schattauer GmbH Stuttgart The Preparation of Control Blood for External Quality Assessment Programs in Oral Anticoagulant Control C A van Dijk-Wierda The Bureau of the Netherlands Federation of Thrombosis Services, Red Cross Hospital Sportlaan 600, The Hague, The Netherlands , L P van Halem-Visser The Bureau of the Netherlands Federation of Thrombosis Services, Red Cross Hospital Sportlaan 600, The Hague, The Netherlands , R van der Hoeff-van Halem The Bureau of the Netherlands Federation of Thrombosis Services, Red Cross Hospital Sportlaan 600, The Hague, The Netherlands , E A Loeliger The Bureau of the Netherlands Federation of Thrombosis Services, Red Cross Hospital Sportlaan 600, The Hague, The Netherlands › Author Affiliations Recommend Article Abstract PDF Download Buy Article Summary A method is described for the preparation of blood samples differing in coagulability, now used for external quality control in The Netherlands by laboratories employing thrombotest for the assessment of oral anticoagulant agents. PDF (410 kb) References References 1 Beck EA, Zender R. 1977. Externe Qualitätskontrolle der Prothrombinzeit in der Schweiz. To be published 2 Beeser H, Merten R, Drescher H, Fischer J. 1975; A German prothrombin time proficiency testing program. Thrombosis et Diathesis Haemorrhagica 33: 152 3 Dijk-Wierda CA, van HermansJ, Loeliger EA, Roos J. 1977; Interlaboratory oral anticoagulant quality assessment by The Netherlands Federation of Thrombosis Services. Thrombosis and Haemostasis 37: 509 4 Goguel A. 1976. Contrôle de qualité de temps de Quick. Renseignements fournis par les confrontations interlaboratoires “Etalonorme”. 1973 á 1975 5 Koepke JA. 1970; The 1969 survey of prothrombin time. American Journal of Clinical Pathology 54: 502 6 Loeliger EA, van Halem-Visser LP. 1975; A simplified thromboplastin calibration procedure for standardization of oral anticoagulant control. Thrombosis et Diathesis Haemorrhagica 33: 172 7 Miale JB, Lafond DJ. 1967; 1963 Prothrombin time test survey. College of American Pathologists Standards Committee, Subcommittee on Coagulation. American Journal of Clinical Pathology 47: 40 8 Owren PA. 1959; Thrombotest. A new method for controlling anticoagulant therapy. Lancet II: 754 9 Poller L. 1975; The British system for anticoagulant control. Thrombosis et Diathesis Haemorrhagica 33: 157