Agrawal, M. et al. 2018. Harmonic Scalpel over Electrocautery, Evaluation of Peroperative Blood Loss in Selective Neck Dissection: A Comparative Study. Birat Journal of Health Sciences. 3, 2 (Sep. 2018), 475–479. DOI:https://doi.org/10.3126/bjhs.v3i2.20964.