RT Journal T1 ABout this journal JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2009 FD August 1 VO 163 IS 8 SP 686 OP 686 DO 10.1001/archpedi.163.8.686 UL http://dx.doi.org/10.1001/archpedi.163.8.686 AB