Thromboembolism--a continuing challenge.
D001158:Arteries; D001241:Aspirin / Q000494:pharmacology / Q000627:therapeutic use; D001777:Blood Coagulation; D004176:Dipyridamole / Q000494:pharmacology / Q000627:therapeutic use; D004357:Drug Synergism; D006350:Heart Valve Prosthesis / Q000009:adverse effects; D006801:Humans; D013923:Thromboembolism / Q000209:etiology / Q000517:prevention & control*; D014680:Veins
D004176:Dipyridamole; D001241:Aspirin