Md. Haroon Rashid, Naresh Kumar Suman, and Sude Kumar Singh. “A Study on Serum Ferritin and Hypothyroidism Among Patients Attending A Tertiary Care Hospital With Special Emphasis On Effect Of Thyroid Hormone Replacement Therapy”. International Journal of Health and Clinical Research, vol. 5, no. 3, Jan. 2022, pp. 749-51, https://www.ijhcr.com/index.php/ijhcr/article/view/4907.