title: Factor VIII and ristocetin induced platelet aggregation after splenectomy.
mesh_terms: D005169:Factor VIII / Q000494:pharmacology*; D006801:Humans; D010974:Platelet Aggregation; D012310:Ristocetin / Q000494:pharmacology*; D013156:Splenectomy
chemical_list: D012310:Ristocetin; D005169:Factor VIII