Retrospective analysis of the need for mechanical circulatory support (intra-aortic balloon pump/abdominal left ventricular assist device or partial artificial heart) after cardiopulmonary bypass. - McGee,M.G.; Zillgitt,S.; Trono,R.; Turner,S.A.; Davis Uqua,J.M.; Edelman,S.K.; Norman,J.C. (Am J Cardiol, 1980)