Khoshfetrat, Masoum, Reza Davoodi, and Aliakbar Keykha. “Comparing the Effects of Three Different Doses of Caudal Ketamine Plus Bupivacaine on Pain Control After Paediatric Surgery”. Biomedical Research and Therapy 5, no. 8 (August 23, 2018): 2572-2580. Accessed November 23, 2024. http://bmrat.org/index.php/BMRAT/article/view/466.