Pietruszewska, Wioletta Pietruszka, D Pietrzak, Aldona Pietrzak, Aldona, Department of Dermatology, Medical University of Lublin, Lublin, Poland Pietrzak, Aldona, Department of Dermatology, Medical University of Lublin, Poland Pietrzak, Aldona, Department of Dermatology, Venerology and Pediatric Dermatology, Medical University of Lublin, Poland Pietrzak, Aldona, Department of Dermatology, Venereology and Pediatric Dermatology,Medical University of Lublin (Poland) Pietrzak, Aldona Pietrzyk, Łukasz Pignochino, Ymera Pilecka, I Pilutin, Anna, Department of Histology and Embryology, Pomeranian Medical University, Szczecin, Poland Pimentel, J Pina-Canseco, María Del Socorro PingorovĂĄ, S Pinkas, Michael Pioch, Anna Piotrów, Paweł, Department of Histology and Embryology, Medical University, Wroclaw Piotrowska, Aleksandra Piotrowska, Aleksandra, Department of Histology and Embryology, Medical University, Wroclaw (Poland) Piotrowska, Aleksandra Piotrowska, Aleksandra (Poland) Piotrowska, Katarzyna, Department of Physiology, Pomeranian Medical University, Szczecin Piotrowska, Katarzyna, Department of Physiology, Pomeranian Medical University, Szczecin, Poland Piotrowski, Leszek