Przybyszewska, Wiesława, Department of Histology and Embryology Poznan University of Medical Sciences Ptak, Maria Ptak, Włodzimierz Puchalska, Zofia Puchalski, Zbigniew Pudełko, Marek Pul, Mehmet, Department of Pediatric Surgery, Trakya University Faculty of Medicine, Edirne, Turkey Pula, Bartosz Pula, Bartosz Pula, Bartosz, Department of Histology and Embryology Medical University of Wroclaw (Poland) Pula, Bartosz, Department of Histology and Embryology, Medical University in Wroclaw, Wroclaw, Poland Pula, Bartosz, Department of Histology and Embryology, Wroclaw Medical University Purkot, Joanna Puła, Bartosz, Department of Histology and Embryology, Medical University, Wroclaw Pyka-Fościak, Grażyna, Department of Histology Jagiellonian University Medical College, Krakow Pyka-Fosciak, Grazyna Pyrzak, Beata Pytel, Kamila Płonka, Przemysław M Płonski, A Płoszyńska, Anna, Department of Paediatrics, Haematology, Oncology and Endocrinology, Medical University of Gdansk Płytycz, Barbara, Department of Evolutionary Immunobiology, Institute of Zoology, Jagiellonian University, Kraków, Poland Płytycz, Barbara