RT Journal T1 PIcture of the month—diagnosis JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2012 FD July 1 VO 166 IS 7 SP 658 OP 658 DO 10.1001/archpediatrics.2012.189b UL http://dx.doi.org/10.1001/archpediatrics.2012.189b AB