Olszanecka-Glinianowicz, Magdalena Olszewska, Katarzyna Olszewski, Maciej Wojciech Olszewski, Waldemar Olszowska, Maria Onishi, Hidenori Oparil, Suzanne Opolski, Grzegorz Opolski, Grzegorz Orczyk, Jakub Orczykowski, Michał Oręziak, Agnieszka Orlov, Alexander Orzeszko, Jacek Orłowska-Kunikowska, Elżbieta Oscanoa, Teodoro J. Osovska, Nataliia Y., Full Doctor of Medicine, professor of Internal medicine Department Nr.1, Vinnitsa National Medial University named after M. Pyrogov, Vinnitsa, Ukraine Osovska, Nataliia Yuriivna, Vinnitsa National Medial University named after M. Pyrogov, Vinnitsa, Ukraine Ossowska, Katarzyna, Eli Lilly Poland Ostalska-Nowicka, Danuta Ostrówka, Dawid, Department of Hypertension and Diabetology, Medical University of Gdansk, Gdansk, Poland Ostrówka, Dawid, Department of Hypertension and Diabetology, Medical University of Gdańsk, Poland (Poland) Ostrowska, Aleksandra Ostrowska, Lucyna Ostrowska-Nawarycz, Lidia