Mala, T. A., S. A. Malla, A. A. Shah, M. Kapoor, and V. B. Gupta. “Comparative Study of Harmonic Scalpel Haemorrhoidectomy Versus Conventional (milligan and Morgan) Haemorrhoidectomy”. International Journal of Research in Medical Sciences, vol. 6, no. 1, Dec. 2017, pp. 328-33, doi:10.18203/2320-6012.ijrms20175743.