RT Journal T1 PIcture of the month—diagnosis JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2011 FD March 1 VO 165 IS 3 SP 275 OP 276 DO 10.1001/archpediatrics.2011.2-b UL http://dx.doi.org/10.1001/archpediatrics.2011.2-b AB