Fabian-Danielewska, A., M. Stecko, A. Wawryków, M. Żukowska, and K. Korabiusz. “Relationship Between Intestinal Microbiota and Thyroid Homeostasis”. Journal of Education, Health and Sport, vol. 9, no. 4, Apr. 2019, pp. 375-9, https://apcz.umk.pl/JEHS/article/view/6827.