An in vivo study of energy losses of ball and disc valves in the mitral position.
D000818:Animals; D001783:Blood Flow Velocity; D001794:Blood Pressure; D002302:Cardiac Output; D002417:Cattle; D006339:Heart Rate; D006350:Heart Valve Prosthesis; D008943:Mitral Valve; D008954:Models, Biological; D014159:Transducers