S. K. Singh, R. Singh, S. Kumar Singh, M. A. Iquebal, S. Jaiswal, and P. Kumar Rai, “Risk of progression to overt hypothyroidism in Indian patients with subclinical hypothyroidism: a prospective observational study”, Int J Adv Med, vol. 9, no. 12, pp. 1183–1187, Nov. 2022.