RT Journal T1 PIcture of the month—diagnosis JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2009 FD August 1 VO 163 IS 8 SP 766 OP 766 DO 10.1001/archpediatrics.2009.126-b UL http://dx.doi.org/10.1001/archpediatrics.2009.126-b AB