A prospective randomized controlled double blind study of the effects of intravenous dexmedetomidine on subarachnoid block with hyperbaric bupivacaine for elective inguinal hernia repair in adult male patients - Bhagavatha, Arjuna; Kattishettar, Deepa; Tegginamatha, Aruna (Anaesthesia, Pain & Intensive Care, 2019)