RT Journal T1 ABout this journal JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2003 FD September 1 VO 157 IS 9 SP 838 OP 838 DO 10.1001/archpedi.157.9.838 UL http://dx.doi.org/10.1001/archpedi.157.9.838 AB