Study Spotlights Helicopter Dangers

http://online.wsj.com/article/SB123370317612745375.html?mod=googlenews_wsj

Expert: Air-ambulance crews among most likely to die

http://www.usatoday.com/news/nation/2009-02-03-medchopper_N.htm

NTSB seeks fixes to air-ambulance safety

http://www.usatoday.com/news/nation/2008-10-28-ntsb_N.htm