Korabiusz, K., A. Wawryków, A. Fabian- Danielewska, M. Stecko, P. Piątek, and M. Żukowska. “The Relationship Between Intestinal Microbiota and Polycystic Ovary Syndrome”. Journal of Education, Health and Sport, vol. 9, no. 6, May 2019, pp. 20-26, https://apcz.umk.pl/JEHS/article/view/6976.