title: [Progression on emergency care of severe trauma].
authors.forename: Y Z
authors.initials: YZ
authors.lastname: Zhang
authors.forename: W J
authors.initials: WJ
authors.lastname: Zhao
authors.forename: K C
authors.initials: KC
authors.lastname: Xu
mesh_terms: D004632:Emergency Medical Services / Q000458:organization & administration*; D006801:Humans; D009104:Multiple Trauma / Q000628:therapy*