title: Circulatory model studies of external cardiac assist by counterpulsation.
mesh_terms: D001011:Aorta / Q000503:physiopathology; D001243:Assisted Circulation / Q000379:methods*; D001775:Blood Circulation; D001794:Blood Pressure; D002303:Cardiac Output, Low; D006321:Heart / Q000503:physiopathology; D006331:Heart Diseases / Q000503:physiopathology / Q000628:therapy; D006801:Humans; D007866:Leg / Q000098:blood supply; D008954:Models, Biological; D012039:Regional Blood Flow