Szutowicz, Ewa, Department of Oncology and Radiotherapy, Medical University of Gdansk, Gdansk, Poland Szyda, Anna Szydłowska, Iwona Szymanowski, Krzysztof Szymański, Marcin Szymański, Marek Szymborska, Tatiana, Department of Obstetrics and Gynecology Central Clinical Hospital of Ministry of Interiorand Administration, Warsaw, Poland Szymczyk, Cezary, Maria Skłodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch Szymeczko, Roman, Department of Animal Physiology, Faculty of Animal Breeding and Biology, University of Technology and Life Sciences, Bydgoszcz Szymusik, Iwona Szynaka, Beata Szynglarewicz, Bartłomiej Szyszka, Marta, Department of Histology and Embryology, Poznan University of Medical Sciences, Poznan, Poland Szyszka, Marta Sładek, Krzysztof Sławińska, Emila Sławomir, Wołczyński Słodkowska, Janina, Department of Pathology, Military Institute of Medicine, Warsaw, Poland Słodkowska, Janina Słodkowska, Janina, Department of Pathology, Military Institute of the Medicine, Warsaw, Poland Słodkowska, Janina, Department of Telepathology, Institute of Tuberculosis and Lung Diseases, Warsaw, Poland Słomczyńska, Maria Słomczyńska, Maria, Laboratory of Endocrinology and Tissue Culture , Institute of Zoology, Jagiellonian University, Kraków, Poland Słonina, J Słota, Ewa