IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-4-34571 Original Research Paper COMPARATIVE CLINICAL STUDY OF INTRATHECAL 'DEXMEDETOMIDINE OR FENTANYL (AS ADJUVANT)' WITH BUPIVACAINE (HEAVY) ON DURATION OF SPINAL BLOCK GIVEN IN PATIENTS UNDERGOING INFRAUMBILICAL SURGERIES P S Malviya Dr. Dr Rajiv Gautam Dr. April 2021 10 4 01 02