IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-9-52433 Original Research Paper A Prospective Randomized Double-Blind Study To Compare The Efficacy Of Intrathecal 0.5% Hyperbaric Bupivacaine And Intrathecal 0.75% Hyperbaric Ropivacaine In Lower Abdominal And Lower Limb Surgeries. Rochana Girish Bakshi Dr. Dr Kirtibala Dhande Dr. Dr Kaushik Raghu Dr. September 2023 12 9 01 02