Letter: Willebrand-factor activity and antigen in von Willebrand's disease.
D000941:Antigens / Q000032:analysis*; D001780:Blood Coagulation Tests; D005169:Factor VIII / Q000032:analysis*; D005260:Female; D006801:Humans; D010973:Platelet Adhesiveness / Q000187:drug effects; D012310:Ristocetin / Q000494:pharmacology; D014842:von Willebrand Diseases / Q000097:blood / Q000235:genetics / Q000276:immunology*
D000941:Antigens; D012310:Ristocetin; D005169:Factor VIII