Development and international validation of a novel multivariate prognostic tool: posterior urethral valve risk of chronic kidney disease (PURK) score. - Kim, Jin Kyu; Yadav, Priyank; Bitcon, Chris; Keefe, Daniel; Comella, Assia; Taghavi, Kiarash; Kattini, Ribal; Davis-Dao, Carol A.; Khoury, Antoine E.; Khondker, Adree; Chua, Michael; Wehbi, Elias J.; et al. (Pediatric Nephrology, 2025)