Umer, S., W. Hayat Khan, U. Ismat Butt, M. Umar, and M. Ayyaz. “Is Pre-Operative Ultrasound Scoring Helpful in Predicting Conversion to Open in Laparoscopic Surgery?”. Esculapio Journal of SIMS, vol. 15, no. 4, July 2023, pp. 343-6, doi:10.51273/esc19.715416.