RT Journal T1 ABout this journal JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2009 FD May 4 VO 163 IS 5 SP 406 OP 406 DO 10.1001/archpedi.163.5.406 UL http://dx.doi.org/10.1001/archpedi.163.5.406 AB