title: [Clinical problems of biological and mechanical valves--comparative study of mitral valve replacement with a biological valve and aortic valve replacement with a mechanical valve].
mesh_terms: D001021:Aortic Valve / Q000601:surgery*; D001705:Bioprosthesis; D005069:Evaluation Studies as Topic; D006349:Heart Valve Diseases / Q000503:physiopathology / Q000601:surgery; D006350:Heart Valve Prosthesis; D006439:Hemodynamics; D006801:Humans; D008943:Mitral Valve / Q000601:surgery*