The first decade of heart ball-valve replacement.
D000328:Adult; D001024:Aortic Valve Stenosis / Q000628:therapy; D006350:Heart Valve Prosthesis; D049673:History, 20th Century; D006801:Humans; D008297:Male; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000628:therapy; D009922:Oregon