Rehman, H. U.; Iftikhar, H.; Ali, G.; Aslam, M. S.; Joya, S. R.; Parveen, S. Comparison of Post-Operative Analgesic Efficacy of Caudal Epidural Block Versus Penile Block in Children Undergoing Hypospadias. Pak Armed Forces Med J 2023, 73, 290-93.