Komar, H., Hero Akbar, & Theodorus. (2020). Predictor Factors of Difficult Laparoscopic Cholecystectomy in Cholelithiasis Patients at Mohammad Hoesin Hospital, Palembang. Sriwijaya Journal of Surgery, 3(2), 112-119. https://doi.org/10.37275/sjs.v2i2.33