Opolski, Grzegorz, Medical Uniwersity of Warsaw Opolski, Grzegorz, 1st Chair and Department of Cardiology, Medical University of Warsaw, Warsaw Opolski, Grzegorz, 1st Department of Cardiology The Medical Univeristy of Warsaw Opolski, Grzegorz, I Katedra i Klinika Kardiologii, Warszawski Uniwersytet Medyczny Opolski, Grzegorz, I Katedra i Klinika Kardiologii Warszawskiego Uniwersytetu Medycznego Samodzielny Publiczny Centralny Szpital Kliniczny ul. Banacha 1a, 02-097 Warszawa Opolski, Grzegorz, I Chair and Department of Cardiology, Medical University of Warsaw (Poland) Opolski, Grzegorz, Department of Cardiology, Medical University of Warsaw, Warsaw, Poland Opolski, Grzegorz, I Katedra i Klinika Kardiologii Warszawski Uniwersytet Medyczny Opolski, Grzegorz, Department of Cardiology, Medical University of Warsaw Opolski, Grzegorz, First Department of Cardiology, Medical University of Warsaw (Poland) Opolski, Grzegorz, First Department of Cardiology and Cardiosurgery, Medical University of Warsaw, Poland Opolski, Grzegorz, The 1st Chair and Department of Cardiology, Medical University of Warsaw, Poland (Poland) Opolski, Grzegorz Opolski, Grzegorz Opolski, Grzegorz G Opolski, Maksymilian Opolski, Maksymilian P Opolski, Maksymilian Przemysław Opolski, Maksymilian P. Opuchlik, Andrzej Orantek, Szymon Orban, Marek Orczykowski, Cezary Orczykowski, Michał Orczykowski, Michał, Institute of Cardiology (Poland)