title: Improved outcomes after polytrauma: do we know the reasons?
authors: I D S
authors: ID
authors: Civil
mesh_terms: D003695:Delivery of Health Care / Q000379:methods; D006801:Humans; D015601:Injury Severity Score; D009104:Multiple Trauma / Q000175:diagnosis / Q000209:etiology*; D014194:Traumatology / Q000639:trends*