RT Journal T1 ABout this journal JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2004 FD June 1 VO 158 IS 6 SP 510 OP 510 DO 10.1001/archpedi.158.6.510 UL http://dx.doi.org/10.1001/archpedi.158.6.510 AB