Rybojad, Pawel Rycerz, Karol, Department of Animal Anatomy and Histology, University of Life Sciences, Lublin, Poland Rycerz, Karol Rygiel, Dorota Rygier, Jolanta Ryl, Aleksandra, Chair and Department of Histology and Developmental Biology, Pomeranian Medical University in Szczecin, Poland Rymkiewicz, Grzegorz Rymuza, Katarzyna Ryś, Janusz, Department of Tumour Pathology, Centre of Oncology Maria Sklodowska-Curie Memorial Institute, Krakow; Rys, Janusz, Department of Tumour Pathology, Centre of Oncology Maria Sklodowska-Curie Memorial Institute, Krakow Rysak-Luberowicz, Dominik Rytel, Liliana Rzechonek, Adam Rzepko, Robert Rzeski, Wojciech Rzeszutko, Marta, Department of Pathological Anatomy, University Medical School, Wrocław, Poland Rzeszutko, Marta, Department of Pathomorphology, Wroclaw Medical University, Wroclaw, Poland (Poland) Rzeszutko, Wojciech