title: Results of aortic or mitral valve replacement by prosthesis.
mesh_terms: D000925:Anticoagulants / Q000627:therapeutic use; D001021:Aortic Valve / Q000601:surgery*; D006349:Heart Valve Diseases / Q000601:surgery; D006350:Heart Valve Prosthesis / Q000009:adverse effects; D006801:Humans; D008943:Mitral Valve / Q000601:surgery*
chemical_list: D000925:Anticoagulants