[The precise prophylaxis of thromboembolism].
D010129:4-Aminobenzoic Acid / Q000628:therapy*; D000925:Anticoagulants; D004876:Ergot Alkaloids / Q000628:therapy*; D013923:Thromboembolism / Q000517:prevention & control*
D000925:Anticoagulants; D004876:Ergot Alkaloids; D010129:4-Aminobenzoic Acid
ERGOT ALKALOIDS/therapy; PARA-AMINOBENZOIC ACID/therapy; THROMBOEMBOLISM/prevention and control