IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-8-36245 Original Research Paper Intestinal obstruction in a biliary colic patient with cholecystoduodenal fistula -a rare case report Prashant Jain Dr. Dr Bharat Bhushan Sharma Dr. Dr. Dhaval Desai Dr. August 2021 10 8 01 02