A new anomaly of platelet aggregation. A report of two families.
D000244:Adenosine Diphosphate / Q000494:pharmacology* / Q000502:physiology; D000293:Adolescent; D000328:Adult; D001780:Blood Coagulation Tests; D001791:Blood Platelet Disorders / Q000175:diagnosis / Q000235:genetics*; D002648:Child; D003018:Clot Retraction; D003094:Collagen; D006801:Humans; D008297:Male; D010375:Pedigree; D010973:Platelet Adhesiveness / Q000187:drug effects*
D000244:Adenosine Diphosphate; D003094:Collagen