Singh, S. P., S. Verma, A. Pandey, U. Shukla, V. Gupta, P. Singh, and V. Saini. “Comparative Evaluation of Hemodynamic and Capnographic Changes in Low Pressure Versus Normal Pressure Pneumoperitoneum in Laparoscopic Cholecystectomy”. International Surgery Journal, vol. 4, no. 8, July 2017, pp. 2642-7, doi:10.18203/2349-2902.isj20173186.