RT Journal T1 ABout this journal JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2010 FD April 1 VO 164 IS 4 SP 308 OP 308 DO 10.1001/archpedi.164.4.308 UL http://dx.doi.org/10.1001/archpedi.164.4.308 AB