Effects of intra-aortic balloon pump versus centrifugal pump on myocardial energetics and systemic circulation in a porcine model of rapidly worsening acute heart failure - Ntalianis, A.S.; Drakos, S.G.; Charitos, C.; Dolou, P.; Pierrakos, C.N.; Terrovitis, J.V.; Papaioannou, T.; Charitos, E.; Nanas, J.N. (ASAIO Journal, 2008)