Vaccination refusal as a growing issue – a description of the phenomenon occurring among parents of infants born at the Professor Wojciech Starzewski Memorial Centre for Women and Children’s Health in Zabrze during first three years of its functioning - Talik-Nowak, Anna; Jagosz, Adrianna; Czubilińska-Łada, Justyna; Jarząbek, Ewelina; Bursa, Janusz (Pediatria Polska - Polish Journal of Paediatrics, 2019)