Runci, Michele Rusak, Małgorzata Russell, John A. Rusu, Andreea Rutkowska, Justyna Rutkowski, Ryszard Ruzicka, Thomas Rybarczyk, Agnieszka, Department of Histology, Medical University of Gdansk, Gdansk, Poland Rybarczyk, Agnieszka, Department of Histology, Faculty of Medicine, Medical University of Gdansk, Gdansk (Poland) Rybarska, Janina, Institute of Medical Biochemistry, Medical College, Jagiellonian University, Cracow, Poland 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