Khan, H., S. Ramzan, Z. Mehmood, R. Dogar, and J. Jamali. “The Risk Factors and Incidence of Hypocalcemia in Unintentional Parathyroid Gland Removal During Thyroid Surgical Interventions”. Annals of Jinnah Sindh Medical University, Vol. 5, no. 1, Aug. 2019, pp. 35-38, http://104.215.57.51/index.php/AJSMU/article/view/64.