title: Severe mitral regurgitation immediately after mitral valve replacement with a parietal pericardial bovine bioprosthesis.
mesh_terms: D001705:Bioprosthesis / Q000009:adverse effects*; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000601:surgery; D008944:Mitral Valve Insufficiency / Q000209:etiology*