RT Journal T1 THe pediatric forum JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 1999 FD January 1 VO 153 IS 1 SP 91 OP 92 DO 10.1001/archpedi.153.1.91 UL http://dx.doi.org/10.1001/archpedi.153.1.91 AB