Irfanulla, M., Shenoy, T. and Rk, R. (2019) “A COMPARATIVE STUDY OF CAUDAL BUTORPHANOL AND FENTANYL FOR ALLEVIATING POST-OPERATIVE PAIN IN INFRAUMBILICAL PROCEDURES IN CHILDREN BELOW 3 YEARS OF AGE”, Asian Journal of Pharmaceutical and Clinical Research, 12(1), pp. 336–341. doi: 10.22159/ajpcr.2019.v12i1.28180.