Joshi, R. R., A. S. Rijal, K. K. Shrestha, A. Dhungana, and S. Maharjan. “Identification and Preservation of External Branch of the Superior Laryngeal Nerve During Thyroid Surgeries at NMCTH”. Journal of College of Medical Sciences-Nepal, vol. 13, no. 3, Oct. 2017, pp. 306-10, doi:10.3126/jcmsn.v13i3.18099.