title: A comparative study of ball and disc prostheses in mitral valve replacement.
mesh_terms: D001794:Blood Pressure; D006328:Cardiac Catheterization; D003201:Computers; D004697:Endocarditis, Bacterial / Q000209:etiology; D005500:Follow-Up Studies; D006350:Heart Valve Prosthesis; D006493:Heparin / Q000008:administration & dosage; D006801:Humans; D008943:Mitral Valve / Q000601:surgery*; D011182:Postoperative Care; D011183:Postoperative Complications / Q000401:mortality; D011379:Prognosis; D011651:Pulmonary Artery; D011795:Surveys and Questionnaires; D013923:Thromboembolism / Q000209:etiology; D014859:Warfarin / Q000008:administration & dosage
chemical_list: D014859:Warfarin; D006493:Heparin