Irfanulla M, Shenoy T, Rk R. A COMPARATIVE STUDY OF CAUDAL BUTORPHANOL AND FENTANYL FOR ALLEVIATING POST-OPERATIVE PAIN IN INFRAUMBILICAL PROCEDURES IN CHILDREN BELOW 3 YEARS OF AGE. Asian J Pharm Clin Res [Internet]. 2019 Jan. 7 [cited 2024 Apr. 27];12(1):336-41. Available from: https://journals.innovareacademics.in/index.php/ajpcr/article/view/28180