Firas Kamel Maseer Al-Azawii, Nabil Isam Naiem, and Salam Adil Salih. “Preoperative Risk Facors to Convert from Laparoscopic Cholecystectomy to Open Cholecystectomy”. Pakistan Journal of Medical & Health Sciences 16, no. 02 (March 27, 2022): 556. Accessed July 17, 2024. https://pjmhsonline.com/index.php/pjmhs/article/view/173.