R. SUDAR CODI (2013) “EFFECT OF ORAL CLONIDINE PREMEDICATION ON THE DURATION OF ANALGESIA PRODUCED BY SPINAL BUPIVACAINE”., International Journal of Pharma and Bio Sciences, 4(3), pp. 1017–1024. Available at: https://ijpbs.net/index.php/journal/article/view/2536 (Accessed: 3 September 2026).