Suchodolska, Magdalena, Blanka Świerczyńska, Adrian Undziakiewicz, Krzysztof Smoluchowski, and Michał Sekuła. “Risk Factors for Gallbladder Cancer”. Journal of Education, Health and Sport 10, no. 9 (September 22, 2020): 487–493. Accessed February 1, 2023. https://apcz.umk.pl/JEHS/article/view/JEHS.2020.10.09.058.