Effect Of Dexmedetomidine Added To Intrathecal Hyperbaric Bupivacaine Versus Bupivacaine Alone On Mean Postoperative Analgesia After Spinal Saddle Block. - Khalid, Muhammad; Feroze, Faheem; Faheem, Muhammad Shaheer Bin; Faheem, Saadia; Khalid, Maliha; Farooq, Saeed (Journal of Rawalpindi Medical College, 2025)