Wójcik, M., Dąbrowska, J., Szarpak, J., Bator, D., Nieścior, H. and Milanowska, J. 2020. Irritable bowel syndrome - risk factors, pathogenesis and treatment options. Journal of Education, Health and Sport. 10, 9 (Sep. 2020), 161–171. DOI:https://doi.org/10.12775/JEHS.2020.10.09.018.