title: [Alternating bilateral ureteral stenosis in the course of Schönlein-Henoch purpura].
mesh_terms: D002675:Child, Preschool; D005260:Female; D006801:Humans; D011695:IgA Vasculitis / Q000150:complications* / Q000000981:diagnostic imaging; D011859:Radiography; D014517:Ureteral Obstruction / Q000000981:diagnostic imaging / Q000209:etiology*
vernacular_title: Estenosis ureteral bilateral "alternante" en el curso de un Schönlein-Henoch.