A randomized double-blind comparison of dexmedetomidine versus dexamethasone as adjuvants to levobupivacaine for peritonsillar infiltration in pediatric tonsillectomy - Vrishali Yashvant Apte; Sumedha Mehta; Pravin Misal; Kiran Chandrakant Valake (Indian Journal of Clinical Anaesthesia, 2026)