title: Cardiac cycle efficiency during counterpulsation.
authors: Sandro
authors: S
authors: Gelsomino
authors: Salvatore Mario
authors: SM
authors: Romano
mesh_terms: D002302:Cardiac Output; D020878:Device Removal / Q000379:methods*; D006439:Hemodynamics; D006801:Humans; D007423:Intra-Aortic Balloon Pumping