Was the Intraaortic Balloon Pumping Under Venoarterial Extracorporeal Membrane Oxygenation Really Effective in Reducing the Mortality of Cardiogenic Patients?. Issue 2 (February 2017) - Yamagishi, Toshinobu; Sakatani, Tomoko; Kitamura, Yukihiro; Kashiura, Masahiro