title: Porcine aortic vs. bovine pericardial valves: a morphologic study of the Xenomedica and Mitroflow bioprostheses.
mesh_terms: D000328:Adult; D000368:Aged; D001021:Aortic Valve / Q000601:surgery; D001705:Bioprosthesis; D004697:Endocarditis, Bacterial / Q000601:surgery; D005260:Female; D005337:Fibrin / Q000378:metabolism; D006349:Heart Valve Diseases / Q000601:surgery*; D006350:Heart Valve Prosthesis; D006801:Humans; D008297:Male; D008855:Microscopy, Electron, Scanning; D008875:Middle Aged; D008943:Mitral Valve / Q000601:surgery; D011183:Postoperative Complications / Q000473:pathology / Q000601:surgery; D011474:Prosthesis Design; D011475:Prosthesis Failure; D013927:Thrombosis / Q000473:pathology
chemical_list: D005337:Fibrin