RT Journal T1 MIssing article title JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2004 FD February 1 VO 158 IS 2 SP 102 OP 102 DO 10.1001/archpedi.158.2.102 UL http://dx.doi.org/10.1001/archpedi.158.2.102 AB