Ostrowska-Nawarycz, Lidia Ostrowski, Adam, Department of General and Oncologic Urology, dr A.Jurasz University Hospital, Bydgoszcz, Poland Ostrowski, Filip Ostrowski, Stanisław Ostrowski, Stanisław Ostrowski, Stanisław, Department of Cardiac Surgery, 1st Chair of Cardiology and Cardiac Surgery, Medical University of Lodz (Poland) Ostrowski, Stanisław Ostrowski, Tomasz, Department of General and Endocrine Surgery, Medical University of Warsaw, Poland. Ostrowski, Tomasz, WUM Ostrowski, Tomasz, Department of General and Endocrine Surgery, Medical University of Warsaw, Poland. Ostrzycki, Adam Osuch, Beata Osuch, Marcin Osuch, Łukasz Oszczygieł, Andrzej, Department of Electrocardiology Medical University of Lodz, Poland CSW CKD, 251 Pomorska St. 92-213 Lodz, Poland Oszkinis, Grzegorz, Klinika Chirurgii Ogólnej i Naczyń Uniwersytet Medyczny w Poznaniu Otcu, Hafize, Istanbul Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Training and Research Hospital Oto, Ali Ouatu, Anca Oudkerk, Matthijs Ouerghi, Kais, Cardiology Department, Centre Hospitalier de Cholet, Cholet, France Ouhrabkova, Radoslava, Department of Radiology, Disctrict Hospital, Kladno, Czech Republic Oukerraj, Latifa Ouyang, Xiaoxiao, Department of Clinical Medicine, North Sichuan Medical College ová, Libuse Pagáč