Momtaz Tawfeek Al-Hakeem, Y., یعرب, P. Nashwan Qahtan Mahgoob, and الاستاذ. “Implementing a Modified Intraoperative Grading System for a Difficult Laparoscopic Cholecystectomy”. Annals of the College of Medicine, Mosul, vol. 43, no. 1, June 2025, pp. 91-99, doi:10.33899/mmed.2021.128336.1047.