title: The cardiac valve controversy: a point of view.
mesh_terms: D000328:Adult; D001021:Aortic Valve / Q000637:transplantation; D001705:Bioprosthesis / Q000009:adverse effects*; D005260:Female; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006493:Heparin / Q000627:therapeutic use; D006801:Humans; D008943:Mitral Valve / Q000637:transplantation; D013927:Thrombosis / Q000209:etiology / Q000401:mortality / Q000517:prevention & control; D014859:Warfarin / Q000627:therapeutic use
chemical_list: D014859:Warfarin; D006493:Heparin