RT Journal T1 PIcture of the month—diagnosis JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2011 FD February 1 VO 165 IS 2 SP 177 OP 178 DO 10.1001/archpediatrics.2010.281-b UL http://dx.doi.org/10.1001/archpediatrics.2010.281-b AB