Krzewicka-Romaniuk, E., D. Siedlecka, M. Makuch, A. Pradiuch, and G. Wójcicka. “Patophysiology of Nonalcoholic Fatty Liver Disease”. Journal of Education, Health and Sport, vol. 9, no. 9, Sept. 2019, pp. 987-91, https://apcz.umk.pl/JEHS/article/view/7539.