RT Journal T1 PIcture of the month—diagnosis JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2009 FD April 6 VO 163 IS 4 SP 384 OP 384 DO 10.1001/archpediatrics.2009.15-b UL http://dx.doi.org/10.1001/archpediatrics.2009.15-b AB