IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-11-3-41223 Original Research Paper A prospective observational study of laparoscopic common bile duct exploration as a salvage procedure in failed endoscopic retrograde cholangio pancreaticography cases : A single surgeon experience. R.Sanjay Dr. Dr Prashant Kumar Dr. March 2022 11 3 01 02