Agrawal, Manish, Sanjeev Thakur, Quazi Rahman, Atul Agrawal, and Nancy Agrawal. “Harmonic Scalpel over Electrocautery, Evaluation of Peroperative Blood Loss in Selective Neck Dissection: A Comparative Study”. Birat Journal of Health Sciences 3, no. 2 (September 5, 2018): 475-479. Accessed November 18, 2019. https://www.nepjol.info/index.php/bjhs/article/view/20964.