Comparison of the effect of adding Dexmedetomidine and Magnesium Sulphate to Hyperbaric Bupivacaine in lower abdominal and lower limb surgeries Journal title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) Authors: Dr. V. Prem Swarup, Dr. P. Kamala Subhashini, Dr. A. Jadeeswara Rao, Dr. Chandrakala Kambar Subject(s):