RT Journal T1 ANnouncement JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2004 FD April 1 VO 158 IS 4 SP 340 OP 340 DO 10.1001/archpedi.158.4.340 UL http://dx.doi.org/10.1001/archpedi.158.4.340 AB