AU - Stephenson J TI - H1n1 influenza analysis PT - JOUR DP - 2009 TA - JAMA pages = {2432}, VI - 301 IP - 23 AID - 10.1001/jama.2009.818 [doi] 4100 - http://dx.doi.org/10.1001/jama.2009.818 SO - JAMA June 17, 2009 301(23):2432