title: Clinical Quiz. Ureteropelvic junction obstruction.
authors.affiliation: James Whitcomb Riley Hospital for Children, Indiana Medical Center, Indianapolis, USA.
authors.forename: J F
authors.initials: JF
authors.lastname: Fitzgerald
authors.forename: R
authors.initials: R
authors.lastname: Troncone
authors.forename: M A
authors.initials: MA
authors.lastname: Del Rosario
mesh_terms: D002675:Child, Preschool; D004326:Drinking; D005471:Fluoroscopy; D006801:Humans; D008297:Male; D014463:Ultrasonography; D014513:Ureter / Q000002:abnormalities; D014517:Ureteral Obstruction / Q000175:diagnosis* / Q000000981:diagnostic imaging