The international committee on thrombosis and haemostasis

THROMBOSIS RESEARCH Printed in the United

Vol. 7, p* 681, Pergamon Press,

States

1975 Inc.

ANNOUNCEMENT THE

INTERNATIONAL

COMMITTEE

ON THROMBOSIS

AND

HAEMOSTASIS

A task force has recommended to the International Committee on Thrombosis and Haemostasis the adoption of a new nomenclature for the tffactor-VIII-related activities". An "on-the-lineft system of nomenclature has been recommended for the three major classes of activities related to blood coagulation factor VIII, i.e. VIII:C (for the coagulant activity), VIIIR:AG (for the antigenic activities related to factor VIII), and VIIIR:WF (for the "van Willebrand factor" activities related to factor VIII). Adoption of these recommendations, which are at present before will be deferred for at least one year the International Committee, while the task force receives and considers suggestions for modification. Anyone suggestions

who wishes a copy to the task force

of the should

full report contact its

or wishes chairman:

to make

Professor John B. Graham Department of Pathology School of Medicine University of North Carolina Chapel Hill, N.C. 27514, U.S.A.

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