Action of the mitral and aortic valves in vivo studied by endoscopic cine photography.
D000818:Animals; D001021:Aortic Valve / Q000502:physiology; D001809:Blood Viscosity; D004285:Dogs; D019723:Endoscopes; D008943:Mitral Valve / Q000502:physiology*; D008944:Mitral Valve Insufficiency / Q000503:physiopathology; D009040:Motion Pictures; D010477:Perfusion