RT Journal T1 RAdiological case of the month JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2001 FD May 1 VO 155 IS 5 SP 615 OP 616 DO 10.1001/archpedi.155.5.615 UL http://dx.doi.org/10.1001/archpedi.155.5.615 AB