Konstantynowicz, Jerzy Konturek, Aleksander Konturek, Aleksander (Poland) Koohi, Razie Kopacz-Wróbel, Karolina Koparal, Salih Suha Kopchick, John J., Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Edison Biotechnology Institute, Ohio University, Athens, USA Kopchick, John J. Kopchick, John J., Edison Biotechnology Institute, Ohio University, Athens, Ohio, United States Kopczyńska, Ewa Kopczyńska, Ewa, Departament of Patobiochemistry and Clinical Chemistry, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University Kopczyński, Janusz, Department of Neoplasm Pathology, Holycross Cancer Centre , Kielce, Poland Kopczyński, Janusz Kopeć, Tomasz Koperski, Lukasz Koperski, Łukasz Koperski, Łukasz, Department of Pathology, Medical University of Warsaw Koperski, Łukasz Kopff, Barbara Kopff, Maria Koptas, Włodzimierz, General and Colorectal Surgery Department, I Chair of Surgery, Medical University of Lodz Koptas, Włodzimierz, General and Oncological Surgery Ward, Tomaszowskie Health Centre in Tomaszow Mazowiecki, Poland Korbonits, Márta Korbut, Ryszard Korda, Oliwia