[Investigation on pediatric urinary diseases].
D000208:Acute Disease; D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D002681:China; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D009393:Nephritis / Q000150:complications / Q000453:epidemiology; D009404:Nephrotic Syndrome / Q000453:epidemiology; D014570:Urologic Diseases / Q000453:epidemiology*