Ruan, CongGang Ruan, Dike Rubis, Blazej Ruchala, Marek Ruchala, Marek, Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznan, Poland (Poland) Ruchala, Marek Ruchala, Marek Ruchała, Marek Ruciński, Marcin Rucinski, Marcin, Department of Histology and Embryology Poznan University of Medical Sciences 6 Swiecicki St., 60-781 Poznan Rucinski, Marcin, Department of Histology and Embryology, Poznan University of Medical Sciences, Poznan Rucinski, Marcin Rucinski, Marcin Rucinski, Marek Rucinski, Marek, Traumatology and Orthopaedics Department, District Hospital of Wielkopolska, Poznan, Poland (Poland) Ruckemann-Dziurdzińska, K Ruckemann-Dziurdzińska, Katarzyna, Department of Pathophysiology, Medical University of Gdansk Ruczynski, Jaroslaw, Faculty of Chemistry, University of Gdansk, Gdansk, Poland Ruczynski, Jaroslaw, Faculty of Chemistry University of Gdansk Rudnicka, Wiesława Rudnicki, J, Department of Minimally Invasive Surgery and Proctology, Wroclaw Medical University, Poland Rudnicki, J Rudnicki, Jerzy Rudnicki, Jerzy, Department of Minimally Invasive Surgery and Proctology, Wroclaw Medical University, Borowska Str. 213, 50-556 Wroclaw, Poland (Poland) Rudno-Rudzinska, Julia