RT Journal T1 PIcture of the month—diagnosis JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2011 FD April 1 VO 165 IS 4 SP 368 OP 368 DO 10.1001/archpediatrics.2011.23-b UL http://dx.doi.org/10.1001/archpediatrics.2011.23-b AB