title: Beneficial effect of helicopter emergency medical services on survival of severely injured patients.
authors.affiliation: Trauma Centre of the South West Netherlands, Erasmus Medical Centre, Rotterdam, The Netherlands. s.frankema@erasmusmc.nl
authors.forename: S P G
authors.initials: SP
authors.lastname: Frankema
authors.forename: A N
authors.initials: AN
authors.lastname: Ringburg
authors.forename: E W
authors.initials: EW
authors.lastname: Steyerberg
authors.forename: M J R
authors.initials: MJ
authors.lastname: Edwards
authors.forename: I B
authors.initials: IB
authors.lastname: Schipper
authors.forename: A B
authors.initials: AB
authors.lastname: van Vugt
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D017732:Air Ambulances; D004632:Emergency Medical Services; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009104:Multiple Trauma / Q000628:therapy*; D009426:Netherlands; D011379:Prognosis; D011446:Prospective Studies; D012044:Regression Analysis; D014187:Transportation of Patients / Q000379:methods*