Choudry, Z. A., M. S. Iqbal, M. Latif, B. ul Haq, M. F. B. Lodhi, and M. S. Zafar. “Comparison of Outcome Between Conventional Laparoscopic Cholecystectomy Vs Augmented Single Hole Laparoscopic Cholecystectomy (ASCHOLE)”. Annals of Punjab Medical College, Vol. 13, no. 4, Dec. 2019, pp. 263-7, doi:10.29054/apmc/2019.270.