Pankiv, V.I., T.Yu. Yuzvenko, S.M. Koval, K. Singh, I.V. Pankiv, Tarun Sehgal, and O.M. Lytvinova. “Correlation of Vitamin D Level With Thyroid Status and TSH Antibody Titers in Patients With Graves’ Disease”. INTERNATIONAL JOURNAL OF ENDOCRINOLOGY (Ukraine) 16, no. 4 (May 1, 2020): 305–309. Accessed June 3, 2023. http://journals.uran.ua/index.php/2224-0721/article/view/208482.