Żukowska, Magdalena, Anna Fabian-Danielewska, Piotr Krajewski, Katarzyna Korabiusz, and Agata Krajewska. “Gallbladder Cancer- Causes, Symptoms and Chirurgical Treatment: Systematic Review”. Journal of Education, Health and Sport 8, no. 9 (September 15, 2018): 990–995. Accessed July 27, 2024. https://apcz.umk.pl/JEHS/article/view/5981.