Efficacy of counterpulsation: model and experiment.
D000818:Animals; D001011:Aorta / Q000502:physiology; D001243:Assisted Circulation; D001783:Blood Flow Velocity; D001790:Blood Physiological Phenomena; D001794:Blood Pressure; D004285:Dogs; D004562:Electrocardiography; D005069:Evaluation Studies as Topic; D006321:Heart / Q000502:physiology*; D007423:Intra-Aortic Balloon Pumping; D008955:Models, Cardiovascular