Piekarska, M., Marcela Maksymowicz, Radosław Kasperski, Agata Pikulicka, and Katarzyna Pacek. “The Correlation Between Vitamin D and Autoimmune Thyroid Function – Short Review”. Journal of Education, Health and Sport, vol. 11, no. 9, Sept. 2021, pp. 401-8, doi:10.12775/JEHS.2021.11.09.051.