Polkowski, Wojciech, Department of Surgical Oncology, Medical University of Lublin, Poland Poltorak, Stanislaw Poluha, Anna, Department of Pediatric Hematology and Oncology, Bone Marrow Transplantation Unit, Medical University of Lublin, Poland Polz-Dacewicz, Małgorzata Pomfy, M Poniewierka, Elzbieta Poniewierska-Jasak, Katarzyna, Department of Hematology, Holycross Cancer Center Ponsaerts, P Poonepalli, Anuradha, Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore Popek, Sylwia, Department of Cancer Genetics with Cytogenetic Laboratory, Medical University of Lublin Popiela, Tadeusz J, Department of Gynecology, Obstetrics and Oncology of the Jagiellonian University, Kraków, Poland Popko, Janusz Poplawska, Izabela Popovic, Katarina Popowicz, Bozena Popławska, Bozena, Department of Biotechnology, Medical University of Białystok, Białystok, Poland Popłońska, Katarzyna Popłońska, Katarzyna, Department of Cytophysiology, University of Łódź, Poland Popłońska, Katarzyna Poradowski, Dominik, Department of Biochemistry, Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Environmental and Life Sciences, Wroclaw, Poland Porowska, Halina, Department of Medical Chemistry, Medical University of Białystok, Białystok, Poland Porowska, Halina Posmyk, R Postek, A, Department of Reproductive Histophysiology, Division of Reproductive Endocrinology and Pathophysiology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland Postępski, Jacek