[Two cases of urolithiasis in childhood].
D002675:Child, Preschool; D003553:Cystine; D005260:Female; D006801:Humans; D007223:Infant; D007669:Kidney Calculi; D008297:Male; D014514:Ureteral Calculi; D001744:Urinary Bladder Calculi
D003553:Cystine