[Presidential address: past, present and future of the cardiac valve substitutes].
D000328:Adult; D001705:Bioprosthesis / Q000592:standards / Q000639:trends*; D002648:Child; D005260:Female; D006330:Heart Defects, Congenital / Q000601:surgery; D006350:Heart Valve Prosthesis / Q000592:standards / Q000639:trends*; D006801:Humans; D008297:Male; D008875:Middle Aged