title: [The results of long-term follow-up study for 445 cases of valve replacement with various kinds of cardiac prostheses--comparison of the clinical results among the groups using different types of valves and with or without postoperative anticoagulant therapy].
mesh_terms: D000925:Anticoagulants / Q000627:therapeutic use*; D001021:Aortic Valve / Q000601:surgery; D005500:Follow-Up Studies; D006350:Heart Valve Prosthesis / Q000401:mortality / Q000592:standards; D006801:Humans; D008943:Mitral Valve / Q000601:surgery; D011184:Postoperative Period
chemical_list: D000925:Anticoagulants