Matsegora, N. A., and O. E. Shpota. “The Hypotyresis in Patients With Chronic Obsructive Pulmonary Disease (COPD)”. Journal of Education, Health and Sport, vol. 8, no. 10, Oct. 2018, pp. 357-62, https://apcz.umk.pl/JEHS/article/view/6324.