RT Journal T1 ABout this journal JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2004 FD July 1 VO 158 IS 7 SP 612 OP 612 DO 10.1001/archpedi.158.7.612 UL http://dx.doi.org/10.1001/archpedi.158.7.612 AB