RT Journal T1 ABout this journal JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2007 FD July 1 VO 161 IS 7 SP 628 OP 628 DO 10.1001/archpedi.161.7.628 UL http://dx.doi.org/10.1001/archpedi.161.7.628 AB