IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-11-4-41707 Original Research Paper A Comparative Study of Intrathecal Bupivacaine with Fentanyl and Bupivacaine with Midazolam in Lower Abdominal and Lower Limb Surgeries Ambuj Dr. Dr. Basant Narain Singh Dr. April 2022 11 4 01 02