George, R., V. Radhakrishna, M. Mathew, A. Thenamangalath, and A. Rahman. “Modified Hasson Technique: A Quick and Safe Entry of First Port into the Abdomen”. International Surgery Journal, vol. 6, no. 8, July 2019, pp. 2802-5, doi:10.18203/2349-2902.isj20193087.