Rhezhii, Delie, Vikas Goyal, Nitin Nagpal, Shobhit Kumar Nemma, and Monica Gupta. 2017. “Role of Scoring System in Prediction of Difficult Laparoscopic Cholecystectomy”. International Surgery Journal 5 (1):257-60. https://doi.org/10.18203/2349-2902.isj20175906.