Zembala, Marian, Dept of Cardiac Surgery and Transplantology, Silesian Center For Heart Diseases Zabrze Zembala, Marian Zembala, Marian, Department of Cardiac Surgery and Transplantation, Medical University of Silesia, Silesian Center for Heart Diseases, Zabrze Zembala, Marian, Department of Cardiac Surgery and Transplantology, Medical University of Silesia, Silesian Centre for Heart Diseases, Zabrze, Poland (Poland) Zembala, Marian, Śląskie Centrum Chorób Serca w Zabrzu Zembala, Marian, Dept. of Cardiac Surgery, Silesian Center For Heart Diseases, Zabrze, Poland Zembala, Marian, Department of Cardiac Surgery and Transplantology, SMDZ in Zabrze, Medical University of Silesia, Katowice, Poland (Poland) Zembala, Marian, School of Medicine, Silesian Center for Heart Diseases Zembala, Marian (Poland) Zembala, Marian, Silesian Center for Heart Diseases Zembala, Marian Zembala, Michael O. Zembala, Michał Oskar, Department of Cardiac Surgery and Transplantology, Silesian Centre for Heart Diseases, Zabrze, Poland Zembala, Michał, Department of Cardiac Surgery, Silesian Centre for Heart Diseases, Zabrze, Poland Zembala, Michał, Silesian Center for Heart Diseases Zembala, Michał, Department of Cardiac Surgery and Transplantation, Medical University of Silesia, Silesian Center for Heart Diseases (Poland) Zembala, Michał O. Zembala, Michał Zembala, Michał Oskar Zembala, Michał Zembala, Michał O. Zembala, Michał Oskar Zembala, Michał Zembala, Michał O. Zembala, Michał