Comparative Evaluation of Intrathecal Clonidine and Fentanyl as Adjuvants to Hyperbaric Bupivacaine for Spinal Anaesthesia in Lower Limb Orthopaedic Surgery. Innovative Journal of Medical and Health Sciences, [S. l.], v. 1, n. 2, p. 178–184, 2010. DOI: 10.52845/. Disponível em: http://innovativejournal.in/index.php/ijmhs/article/view/3574. Acesso em: 23 oct. 2026.