Acharya, B. et al. 2024. Preoperative Prediction of Difficult Laparoscopic Cholecystectomy using Risk Score for Conversion from Laparoscopic to Open Cholecystectomy: An Observational Study. Journal of Institute of Medicine Nepal. 46, 2 (Aug. 2024), 43–48. DOI:https://doi.org/10.59779/jiomnepal.1295.