title: Natural history of covert bacteriuria in schoolgirls.
mesh_terms: D000667:Ampicillin / Q000627:therapeutic use; D000892:Anti-Infective Agents, Urinary / Q000627:therapeutic use; D001437:Bacteriuria / Q000175:diagnosis / Q000188:drug therapy / Q000453:epidemiology*; D001827:Body Height; D001835:Body Weight; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008403:Mass Screening; D011704:Pyelonephritis / Q000453:epidemiology; D012606:Scotland; D014718:Vesico-Ureteral Reflux / Q000453:epidemiology
chemical_list: D000892:Anti-Infective Agents, Urinary; D000667:Ampicillin