[Four years' experience with the Omniscience prosthetic valve].
D000328:Adult; D000368:Aged; D005260:Female; D005500:Follow-Up Studies; D006349:Heart Valve Diseases / Q000601:surgery; D006350:Heart Valve Prosthesis; D006801:Humans; D008297:Male; D008875:Middle Aged; D011379:Prognosis