JOHN B. GRAHAM, M.D.
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To the editor: A task force has recommended to the International Committee on Thrombosis and Haemostasis the adoption of a new nomenclature for the "factor-VIII-related-activities." An "on-the-line" system of nomenclature has been recommended for the three major classes of activities related to blood coagulation factor VIII, that is VIII:C (for the coagulant activity), VIIIR:AG (for the antigenic activities related to factor VIII), and VIIIR: WF (for the "von Willebrand factor" activities related to factor VIII).
Adoption of these recommendations, which are at present before the International Committee, will be deferred for at least 1 year while the task force receives
GRAHAM JB. Factor VIII Nomenclature. Ann Intern Med. ;83:737. doi: 10.7326/0003-4819-83-5-737_2
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Published: Ann Intern Med. 1975;83(5):737.
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