Sikorski, Piotr, Małgorzata Szamocka, Agnieszka Meder, Monika Anna Ameryk, and Maciej Świątkowski. “Assessment of Colonoscopy Screening by Elderly People”. Journal of Education, Health and Sport 7, no. 12 (December 31, 2017): 386–399. Accessed June 16, 2024. https://apcz.umk.pl/JEHS/article/view/5216.