Mohajerzadeh, L. et al. 2023. Ultrasound Parameters Changes after Pyeloplasty in Ureteropelvic Junction Obstruction: 6-Month Follow-Up. Iranian Journal of Pediatric Surgery. 9, 1 (May 2023), 56–67. DOI:https://doi.org/10.22037/irjps.v9i1.39957.