RT Journal T1 PIcture of the month—diagnosis JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2010 FD December 1 VO 164 IS 12 SP 1166 OP 1166 DO 10.1001/archpediatrics.2010.228-b UL http://dx.doi.org/10.1001/archpediatrics.2010.228-b AB