RT Journal T1 SPecial feature JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2006 FD March 1 VO 160 IS 3 SP 300 OP 301 DO 10.1001/archpedi.160.3.300 UL http://dx.doi.org/10.1001/archpedi.160.3.300 AB