title: Ristocetin: a means of differentiating von Willebrand's disease into two groups.
mesh_terms: D000244:Adenosine Diphosphate; D001792:Blood Platelets / Q000187:drug effects; D005169:Factor VIII; D006801:Humans; D010973:Platelet Adhesiveness / Q000187:drug effects; D012310:Ristocetin; D014842:von Willebrand Diseases / Q000175:diagnosis*
chemical_list: D012310:Ristocetin; D000244:Adenosine Diphosphate; D005169:Factor VIII