Wojtczak, Agnieszka Wojtczak, Beata, 1st Department and Clinic of General, Gastroenterological and Endocrine Surgery, Wroclaw Medical University, Wroclaw, Poland Wojtczak, Ewa Wojtkiewicz, Joanna Wojtkiewicz, Joanna Wojtkiewicz, Joanna (Poland) Wójtowicz, Agnieszka Wójtowicz, Krzysztof Wojtukiewicz, M Wojtysiak, Katarzyna Wolczyński, Slawomir Wolczynski, Sławomir Wolinski, Kosma Wolowiec, Dariusz Wolska, Katarzyna Wolski, Jan K., Department of Urology-Oncology, Maria Sklodowska-Curie Memorial Cancer Centre, Warsaw Woroniecka, Renata Worowska, Anna Wosek, Joanna Woszczyk, Dariusz Wozniacka, Anna, Department of Dermatology, Medical University of Lodz Woźniak, A Wozniak, Aldona, Department of Clinical Pathomorphology, Poznan University of Medical Sciences, Heliodor Swiecicki Hospital, Poznan, Poland Woźniak, Jolanta, Department of Physiopathology, Institute of Haematology and Blood Transfusion, Warsaw, Poland Woźniak, Lukasz