The inadequacy of heterografts for mitral valve replacement.
D001021:Aortic Valve / Q000637:transplantation*; D006350:Heart Valve Prosthesis; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000601:surgery*; D009336:Necrosis / Q000150:complications; D011183:Postoperative Complications; D012421:Rupture / Q000150:complications; D014183:Transplantation, Heterologous