RT Journal T1 SPecial feature JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2006 FD May 1 VO 160 IS 5 SP 499 OP 500 DO 10.1001/archpedi.160.5.500 UL http://dx.doi.org/10.1001/archpedi.160.5.500 AB