RT Journal T1 PAthological case of the month JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2001 FD April 1 VO 155 IS 4 SP 520 OP 520 DO 10.1001/archpedi.155.4.519 UL http://dx.doi.org/10.1001/archpedi.155.4.519 AB