Majeed ZA. PREOPERATIVE PREDICTORS OF DIFFICULT LAPAROSCOPIC CHOLECYSTECTOMY: A TWO-YEAR OBSERVATIONAL COHORT STUDY AT AL-HILLA TEACHING HOSPITAL, IRAQ. KSR [Internet]. 2026 Oct. 20 [cited 2026 Oct. 22];3(4):622-35. Available from: https://bulletin.ouk.kz/index.php/bulletin/article/view/167