Dexmedetomidine versus Clonidine as Intrathecal Adjuvants to Hyperbaric Ropivacaine for Subarachnoid Block in Patients with History of Scorpion Bite undergoing Infraumbilical Surgery: A Double-blinded Randomised Clinical Study - Mouna Rao; Naseema V Kanase; Namrata Mandirwala; Neha Manoj Kushe (JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH, 2026)