The effect of apyrase on platelet retention in normal subjects and in patients with abnormal cardiac valves or with von Willebrand's disease.
D000244:Adenosine Diphosphate / Q000494:pharmacology; D001800:Blood Specimen Collection; D006350:Heart Valve Prosthesis; D006351:Heart Valves / Q000002:abnormalities*; D006801:Humans; D010744:Phosphoric Monoester Hydrolases / Q000494:pharmacology*; D010973:Platelet Adhesiveness / Q000187:drug effects*; D014842:von Willebrand Diseases / Q000097:blood*
D000244:Adenosine Diphosphate; D010744:Phosphoric Monoester Hydrolases