Malladad, N. S., and A. Kulkarni. “A Comparative Study of Single Incision Laparoscopic Cholecystectomy With Conventional Laparoscopic Instruments Versus Multiple Port Laparoscopic Cholecystectomy”. International Surgery Journal, vol. 5, no. 11, Oct. 2018, pp. 3562-9, doi:10.18203/2349-2902.isj20184623.