title: Developing a mass gathering EMS plan.
authors.forename: W C
authors.initials: WC
authors.lastname: Butler
authors.forename: D E
authors.initials: DE
authors.lastname: Gesner
mesh_terms: D000846:Anniversaries and Special Events; D003441:Crowding; D004189:Disaster Planning; D004632:Emergency Medical Services / Q000458:organization & administration*; D010934:Planning Techniques; D014481:United States