title: Letter: Varieties of von Willebrand's disease.
mesh_terms: D001780:Blood Coagulation Tests; D001798:Blood Proteins / Q000032:analysis; D011232:Chemical Precipitation; D000431:Ethanol / Q000494:pharmacology; D005169:Factor VIII / Q000032:analysis*; D006801:Humans; D007122:Immunoelectrophoresis; D010973:Platelet Adhesiveness / Q000187:drug effects; D012310:Ristocetin / Q000494:pharmacology; D014842:von Willebrand Diseases / Q000097:blood* / Q000235:genetics
chemical_list: D001798:Blood Proteins; D012310:Ristocetin; D000431:Ethanol; D005169:Factor VIII