Ultrasound grade of hydronephrosis and severity of renal cortical damage on 99m technetium dimercaptosuccinic acid renal scan in infants with unilateral hydronephrosis during followup and after pyeloplasty - Konda, R; Sakai, K; Ota, S; Abe, Y; Hatakeyama, T; Orikasa, S (J Urol, 2002)