January 01, 1983 article A Collaborative Calibration Study of Reference Materials for Thromboplastins Thrombosis and Haemostasis DOI: 10.1055/s-0038-1665293 OpenAlex Authors 0 Author list not loaded yet. Cited by 4 stored of 71 Search Sort Most cited Newest Oldest Patent citations Title Any typearticle review book-chapter conference-paper preprint dissertation book dataset other Any fieldAgricultural and Biological Sciences Arts and Humanities Biochemistry, Genetics and Molecular Biology Business, Management and Accounting Chemical Engineering Chemistry Computer Science Decision Sciences Dentistry Earth and Planetary Sciences Economics, Econometrics and Finance Energy Engineering Environmental Science Health Professions Immunology and Microbiology Materials Science Mathematics Medicine Neuroscience Nursing Pharmacology, Toxicology and Pharmaceutics Physics and Astronomy Psychology Social Sciences Veterinary Open access Reply: Be aware of legally required metrology and higher-order reference measurement services run in calibration laboratories 2026 Clinical Chemistry and Laboratory Medicine (CCLM) letter Decision Sciences Scientific Measurement and Uncertainty Evaluation Open access 1 citations External quality assessment of the manual tilt tube technique for prothrombin time testing: a report from the IFCC-SSC/ISTH Working Group on the Standardization of PT/INR 2025 Clinical Chemistry and Laboratory Medicine (CCLM) article Medicine Clinical Laboratory Practices and Quality Control Open access 5 citations Defining a metrologically traceable and sustainable calibration hierarchy of international normalized ratio for monitoring of vitamin K antagonist treatment in accordance with International Organization for Standardization (ISO) 17511:2020 standard: communication from the International Federation of Clinical Chemistry and Laboratory Medicine–SSC/ISTH working group on prothrombin time/international normalized ratio standardization 2023 Journal of Thrombosis and Haemostasis article Medicine Clinical Laboratory Practices and Quality Control Open access 24 citations Paving the way for establishing a reference measurement system for standardization of plasma prothrombin time: Harmonizing the manual tilt tube method 2020 Journal of Thrombosis and Haemostasis article Medicine Clinical Laboratory Practices and Quality Control Open access 18 citations 4 results References 0