Chmura, A., P. Baciur, K. Skowrońska, F. Białas, and Kamil Pondel. “Influence of Selenium Deficiency on the Development of Thyroid Disorders - a Literature Review”. Journal of Education, Health and Sport, vol. 12, no. 9, Sept. 2022, pp. 525-31, doi:10.12775/JEHS.2022.12.09.062.