Letter: Heparin, aspirin and Lee-White clotting time.
D001241:Aspirin / Q000627:therapeutic use*; D001780:Blood Coagulation Tests; D001792:Blood Platelets / Q000187:drug effects; D006493:Heparin / Q000627:therapeutic use*; D006801:Humans
D006493:Heparin; D001241:Aspirin