title: On-site physicians and scene time.
authors.forename: J L
authors.initials: JL
authors.lastname: Bordonado
mesh_terms: D004632:Emergency Medical Services / Q000458:organization & administration*; D004634:Emergency Medical Technicians; D006801:Humans; D009104:Multiple Trauma / Q000628:therapy*; D010820:Physicians; D013997:Time Factors; D014481:United States