IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-6-35549 Original Research Paper PROSPECTIVE STUDY ON PREDICTION OF DIFFICULTY IN OPEN/LAPROSCOPIC CHOLECYSTECTOMY BY ULTRASONOGRAPHIC MEASUREMENT OF GALLBLADDER WALL THICKNESS Balkrishna Sharma Dr. Dr. Hemraj Bhardwaj Dr. June 2021 10 6 01 02