RT Journal T1 PIcture of the month—diagnosis JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2012 FD January 1 VO 166 IS 1 SP 90 OP 90 DO 10.1001/archpedi.166.1.90 UL http://dx.doi.org/10.1001/archpedi.166.1.90 AB