Columbia subject headings:
Blood coagulation factor VIII--Congresses.
Hemophilia--Immunological aspects--Congresses.
Hemophilia--Treatment--Congresses.
Harvard subject headings:
Hemophilia--Chemotherapy--Congresses.
Hemophilia--Immunological aspects--Congresses.
Prothrombin--Congresses.
Von Willebrand factor--Congresses.
Princeton subject headings: