TI - THe pediatric forum PT - JOUR DP - 1999 TA - Archives of Pediatrics & Adolescent Medicine pages = {309-313}, VI - 153 IP - 3 AID - 10.1001/archpedi.153.3.309 [doi] 4100 - http://dx.doi.org/10.1001/archpedi.153.3.309 SO - Archives of Pediatrics & Adolescent Medicine March 1, 1999 153(3):309