title: Prosthetic valve endocarditis. Comparison of heterograft tissue valves and mechanical valves.
mesh_terms: D001021:Aortic Valve / Q000601:surgery*; D001705:Bioprosthesis / Q000009:adverse effects* / Q000401:mortality; D004697:Endocarditis, Bacterial / Q000209:etiology* / Q000401:mortality / Q000628:therapy; D005260:Female; D005500:Follow-Up Studies; D006350:Heart Valve Prosthesis / Q000009:adverse effects* / Q000401:mortality; D006801:Humans; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000601:surgery*; D011183:Postoperative Complications / Q000401:mortality / Q000628:therapy