Dipak L Raval and Kartik N, “A COMPARATIVE STUDY BETWEEN DEXMEDETOMIDINE AND CLONIDINE USED AS ADJUNCTS TO BUPIVACAINE FOR POST-OPERATIVE ANALGESIA BY CAUDAL BLOCK IN PAEDIATRIC PATIENTS”, APJHS, vol. 1, no. 2, pp. 131–136, Jun. 2014.