A prospective randomized double blind comparative study of 0.8 mg nalbuphine hydrochloride and 25 mcg fentanyl as adjuvant to 0.5% hyperbaric bupivacaine in sub arachnoid block in lower limb surgeries Journal title: International Journal of Medical and Health Research Authors: Dr. Rajkumar N Jaisinghani, Dr. Naseema V Kanase, Dr. Vithal K Dhulkhed, Dr. Kunda Dimble, Dr. Souda... Subject(s):