title: Variant forms of von Willebrand's disease: type IIA, type IIB and platelet-type von Willebrand's disease.
mesh_terms: D001779:Blood Coagulation Factors / Q000032:analysis*; D003378:Counterimmunoelectrophoresis; D006801:Humans; D010974:Platelet Aggregation / Q000187:drug effects; D012310:Ristocetin / Q000494:pharmacology; D014842:von Willebrand Diseases / Q000097:blood*; D014841:von Willebrand Factor / Q000032:analysis*
chemical_list: D001779:Blood Coagulation Factors; D014841:von Willebrand Factor; D012310:Ristocetin