We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleBeneficial effect of helicopter emergency medical services on survival of severely injured patients.AuthorsFrankema SP; Ringburg AN; Steyerberg EW; Edwards MJ; Schipper IB; van Vugt ABPublicationThe British journal of surgery, 2004, Vol 91, Issue 11, p1520ISSN0007-1323Publication typearticleDOI10.1002/bjs.4756