RT Journal T1 ABout this journal JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2010 FD June 1 VO 164 IS 6 SP 504 OP 504 DO 10.1001/archpedi.164.6.504 UL http://dx.doi.org/10.1001/archpedi.164.6.504 AB