RT Journal T1 PIcture of the month—diagnosis JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2012 FD September 1 VO 166 IS 9 SP 864 OP 864 DO 10.1001/archpedi.166.9.864 UL http://dx.doi.org/10.1001/archpedi.166.9.864 AB