srithong, supang, Manint Usawachintachit, and Chanatee Bunyaratavej. 2019. “the Optimal Length of Follow up After Successful Pediatric Pyeloplasty”. Insight Urology 40 (2):29-34. https://he02.tci-thaijo.org/index.php/TJU/article/view/183429.