SIKORSKI, Piotr, SZAMOCKA, Małgorzata, MEDER, Agnieszka, AMERYK, Monika Anna and ŚWIĄTKOWSKI, Maciej. Assessment of colonoscopy screening by elderly people. Journal of Education, Health and Sport. Online. 31 December 2017. Vol. 7, no. 12, pp. 386-399. [Accessed 17 July 2024].