RT Journal T1 RAdiological case of the month JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2001 FD March 1 VO 155 IS 3 SP 414 OP 414 DO 10.1001/archpedi.155.3.413 UL http://dx.doi.org/10.1001/archpedi.155.3.413 AB