IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-9-9-27536 Original Research Paper STUDY OF DIAGNOSTIC TESTS TO DETECT HELICOBACTER PYLORI IN ACID PEPTIC DISEASE B.Janardhan Raju Dr. Dr. CH. Srinivasa Rao Dr. September 2020 9 9 01 02