RT Journal T1 PIcture of the month—diagnosis JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2012 FD May 1 VO 166 IS 5 SP 480 OP 480 DO 10.1001/archpediatrics.2011.1247b UL http://dx.doi.org/10.1001/archpediatrics.2011.1247b AB