Letter: Urinary-tract dilatation without anatomic abnormalities.
D004106:Dilatation; D006801:Humans; D006869:Hydronephrosis / Q000000981:diagnostic imaging / Q000453:epidemiology*; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000453:epidemiology*; D008297:Male; D011859:Radiography; D014552:Urinary Tract Infections / Q000150:complications*