Renal calculus in children.
D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D005006:Ethnicity; D006801:Humans; D007223:Infant; D007669:Kidney Calculi / Q000453:epidemiology* / Q000209:etiology; D012737:Sex Factors; D014481:United States; D014551:Urinary Tract / Q000002:abnormalities; D014552:Urinary Tract Infections / Q000150:complications