Sadeghi, Afsaneh, et al. “Comparing Midazolam-Bupivacaine and Neostigmine-Bupivacaine for Caudal Anesthesia in Children Undergoing Herniorrhaphy”. Iranian Journal of Pediatric Surgery, vol. 2, no. 2, Feb. 2017, pp. 71-76, doi:10.22037/irjps.v2i2.14673.