title: Flying high: the role of helicopters in EMS.
authors.forename: J B
authors.initials: JB
authors.lastname: Davidoff
mesh_terms: D000060:Accidents, Aviation; D017732:Air Ambulances / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D008887:Military Medicine; D014187:Transportation of Patients; D014481:United States