IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-4-47954 Original Research Paper A Comparison Of Biliary Cholesterol Levels In Iron Deficient And Non-Iron Deficient Patients Operated For Gall Stone Disease In Nalanda Medical College And Hospital Gopal Paswan Dr. April 2023 12 4 01 02