TI - INfluenza vaccination coverage among children aged 6 months–18 years—eight immunization information system sentinel sites, united states, 2008-09 influenza season PT - JOUR DP - 2009 TA - JAMA pages = {2195-2196}, VI - 302 IP - 20 AID - [doi] 4100 - http://dx.doi.org/ SO - JAMA November 25, 2009 302(20):2195