Predicting progression to renal replacement therapy in children with posterior urethral valves: international validation of the secondary use of the posterior urethral valve risk of chronic kidney disease (PURK) score. - Kim JK; Szymanski KM; Misseri R; Reddy P; Strine A; Vanderbrink BA; Mcleod D; Jayanthi R; Davis-Dao C; Khoury A; Comella A; Taghavi K; et al. (Journal of pediatric urology, 2025)