Al-Shammari, Rafea Jasim Hussein, and Sabah Noori Abdulraheem Al-Khazaali. 2018. “Incidence of Conversion from Laparoscopic to Open Cholecystectomy and Its Associated Factors”. International Surgery Journal 5 (9):2974-77. https://doi.org/10.18203/2349-2902.isj20183405.