“Efficacy and Safety of Extracorporeal Shock Wave Lithotripsy (ESWL) for Difficult Common Bile Duct Stones: A Prospective North Indian Study”, AGDD, vol. 3, no. 1, Dec. 2020, Accessed: Oct. 31, 2026. [Online]. Available: https://somatopub.com/index.php/AGDD/article/view/188