Keywords Aprotinin;4-Aminobenzoic acid;Rheumatic heart disease;Heart valoe prosthesis implantation;Blood coagulation;Platelet function tests;

• 关键词抑肽酶;4-氨基苯甲酸;风湿性心脏病;心脏瓣膜假体植入;血液凝固;血小板功能试验;