Usha Ramakrishna N, Radhika Potnuri, Raj Kumar Sahu and Hitesh Chavda (2024) “A prospective study of various pre-operative factors and the development of a scoring system in predicting difficult laparoscopic cholecystectomy”, Asian Journal of Medical Sciences, 15(6), pp. 130–135. doi: 10.3126/ajms.v15i6.64850.