Dr. Manojkumar V, et al. “A CROSS-SECTIONAL STUDY FOR FORECASTING DIFFICULT LAPAROSCOPIC CHOLECYSTECTOMY THROUGH ULTRASONOGRAPHIC EVALUATION”. Journal of Population Therapeutics and Clinical Pharmacology, vol. 32, no. 7, Aug. 2025, pp. 2028-36, https://doi.org/10.53555/g5phtn53.