TI - NOtice of duplicate publication PT - JOUR DP - 2004 TA - Archives of Pediatrics & Adolescent Medicine pages = {627}, VI - 158 IP - 7 AID - 10.1001/archpedi.158.7.627 [doi] 4100 - http://dx.doi.org/10.1001/archpedi.158.7.627 SO - Archives of Pediatrics & Adolescent Medicine July 1, 2004 158(7):627