Staskiewicz, Grzegorz, Human Anatomy Department Department of Didactics and Medical Simulation Medical University of Lublin Śtastny, Boris Staszczak, Anna Stawicki, Stanislaw Peter, Opus 12 Foundation, 304 Monroe Blvd, King of Prussia, PA 19406, U.S.A Stefańczyk, Ludomir Stefaniak, Bogusław Stefaniak, Bogusław, Chair and Department of Nuclear Medicine Medical University of Lublin, Poland Stefaniak, Bogusław, Chair and Department of Nuclear Medicine, Skubiszewski Medical University of Lublin, Poland Stefaniak, Bogusław Stefaniak, Bogusław, Medical University of Lublin (Poland) Stefaniak, Bogusław, Chair and Department of Nuclear Medicine Medical University of Lublin, Poland Stefanović, Aida Stefanovič, Branislav M. Stefanović, Vladisav Stefanovic, Vladislav Stefańska, Agnieszka Stefańska, Agnieszka Stefańska, Agnieszka, Nuclear Medicine Unit, Endocrinology Department, University Hospital, Krakow, Poland Steinhof-Radwańska, Katarzyna Stelmachow, Jerzy Stembrowicz-Nowakowska, Zofia Stembrowicz-Nowakowska, Zofia, Department of Nuclear Medicine Military Institute of Medicine (Poland) Stembrowicz-Nowakowska, Zofia Stepanovic, Jelena Stępień, Ewa