RT Journal T1 ABout this journal JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2011 FD January 1 VO 165 IS 1 SP 4 OP 4 DO 10.1001/archpedi.165.1.4 UL http://dx.doi.org/10.1001/archpedi.165.1.4 AB