Kovalyova, O., Chukhrienko, N., Pasiieshvili, T., Pasiyeshvili, L. and Zhelezniakova, N. 2020. The state of antioxidant defense system in young persons with gastroesophageal reflux disease and autoimmune thyrioditis. Medicni perspektivi. 25, 4 (Dec. 2020), 87–93. DOI:https://doi.org/10.26641/2307-0404.2020.4.221237.