http://jama.jamanetwork.com/ en-us Wed, 20 Mar 2013 00:00:00 GMT Tue, 19 Mar 2013 21:45:12 GMT Silverchair editor@jama.jamanetwork.com webmaster@jama.jamanetwork.com http://jama.jamanetwork.com/article.aspx?articleID=1669833 Wed, 20 Mar 2013 00:00:00 GMT Friedrich MJ. <span class="paragraphSection">Nine nurses and 3 North Korean physicians involved in a polio vaccination campaign have been murdered in northern Nigeria in recent weeks (http://tinyurl.com/bm9y6jn). No group has claimed responsibility for the attacks, but security experts suspect the radical Islamic sect Boko Haram.</span> 309 11 1101 1101 10.1001/jama.2013.2400 http://jama.jamanetwork.com/article.aspx?articleID=1669833