Vaishnani, B. V., K. R. Kachhadiya, and M. R. Chauhan. “A Comparative Study of the Open Versus Closed Method of Pneumoperitoneum Creation in Laparoscopic Surgery”. International Surgery Journal, vol. 8, no. 11, Oct. 2021, pp. 3344-7, doi:10.18203/2349-2902.isj20214368.