RT Journal T1 PIcture of the month—diagnosis JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2010 FD March 1 VO 164 IS 3 SP 290 OP 291 DO 10.1001/archpediatrics.2010.2-b UL http://dx.doi.org/10.1001/archpediatrics.2010.2-b AB