TI - TOpic collections PT - JOUR DP - 2008 TA - Archives of Pediatrics & Adolescent Medicine pages = {1149}, VI - 162 IP - 12 AID - 10.1001/archpedi.162.12.1149 [doi] 4100 - http://dx.doi.org/10.1001/archpedi.162.12.1149 SO - Archives of Pediatrics & Adolescent Medicine December 1, 2008 162(12):1149