RT Journal T1 PIcture of the month—diagnosis JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2009 FD March 2 VO 163 IS 3 SP 276 OP 276 DO 10.1001/archpediatrics.2009.19-b UL http://dx.doi.org/10.1001/archpediatrics.2009.19-b AB