Świerszcz, Łukasz, Anna Roszkowska, Maciej Rutkowski, and Halina Piecewicz-Szczęsna. 2017. “Epidemiological Analysis of Bacterial Food Poisonings in Poland in 2005-2015”. Journal of Education, Health and Sport 7 (8):423-34. https://apcz.umk.pl/JEHS/article/view/4757.