TI - OUtbreaks following wild poliovirus importations—europe, africa, and asia, january 2009–september 2010 PT - JOUR DP - 2011 TA - JAMA pages = {463-465}, VI - 305 IP - 5 AID - [doi] 4100 - http://dx.doi.org/ SO - JAMA February 2, 2011 305(5):463