Letter: Heparin and ristocetin-reduced platelet aggregation.
D002315:Cardiopulmonary Bypass; D006493:Heparin / Q000494:pharmacology*; D010974:Platelet Aggregation / Q000187:drug effects*; D012310:Ristocetin / Q000037:antagonists & inhibitors* / Q000494:pharmacology
D012310:Ristocetin; D006493:Heparin