TI - SIgn up for alerts—it’s free! PT - JOUR DP - 2006 TA - Archives of Pediatrics & Adolescent Medicine pages = {1142}, VI - 160 IP - 11 AID - 10.1001/archpedi.160.11.1142 [doi] 4100 - http://dx.doi.org/10.1001/archpedi.160.11.1142 SO - Archives of Pediatrics & Adolescent Medicine November 1, 2006 160(11):1142