title: Letter: Transient obstructive uropathy of megacalicosis?
mesh_terms: D006801:Humans; D006869:Hydronephrosis / Q000000981:diagnostic imaging*; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000000981:diagnostic imaging*; D014517:Ureteral Obstruction / Q000000981:diagnostic imaging* / Q000209:etiology; D014567:Urography