Vijayvargiya, A., S. K. Jain, and V. Soni. “Harmonic Scalpel Versus Titanium Clips and L-Hook in the Ligation of Cystic Duct and Artery and Gall Bladder Dissection in Laparoscopic Cholecystectomy”. International Journal of Research in Medical Sciences, vol. 5, no. 12, Nov. 2017, pp. 5145-8, doi:10.18203/2320-6012.ijrms20175075.