Rafińska, Ludmiła Rago, V Rahimi, Hossein Rahnama, Mansur, Department of Oral Surgery, Medical University of Lublin, Lublin, Poland Raica, Marius Rajewski, Marcin Rajpert-De Meyts, Ewa, Department of Growth and Reproduction, Copenhagen University Hospital (Rigshospitalet), Copenhagen, Denmark Rajpert-Kędzia, Helena, Pathological Laboratory, Gynaecology and Obstetrics Hospital Poznan University of Medical Sciences, Poznan Rajpert-Kędzia, Helena, Department of Pathomorphology, Gynecology and Obstetrics Clinical Hospital, Karol Marcinkowski University of Medical Sciences, Poznan Ramadan, Wafaa S. Rampazzo, Antonella Raonić, Janja Rappa, Francesca Ratajczak, Janina Ratajczak, Janina Ratajczak, Jerzy Ratajczak, M Z Ratajczak, Mariusz Z., Stem Cell Biology Program at the James Graham Brown Cancer Center, University of Louisville, Louisville, Kentucky, USA; Department of Physiology, Pomeranian Medical University, Szczecin, Poland Ratajczak, Mariusz Z., Stem Cell Institute at James Graham Brown Cancer Center, University of Louisville, USA Ratajczak, Mariusz Z. (United States) Ratajczak, Mariusz Z Ratajczak, Mariusz Z, European Stem Cell Therapeutic Excellence Center, Medical College, Jagiellonian University, Cracow, Poland Ratajczak, Mariusz Z., Stem Cell Biology Program at James Graham Brown Cancer Center, University of Louisville, KY, USA and European Union Stem Cell Therapeutic Excellence Center, Jagiellonian University, Kraków, Poland Ratajczak-Wielgomas, Katarzyna, Department of Histology and Embryology, Wroclaw Medical University, Wroclaw, Poland Ratajczak-Wielgomas, Katarzyna, Department of Histology and Embryology, Wroclaw Medical University, Wroclaw