title: 30 years of leadership the impact of JEMS on EMS development.
authors.forename: A J
authors.initials: AJ
authors.lastname: Heightman
mesh_terms: D000846:Anniversaries and Special Events; D004632:Emergency Medical Services / Q000458:organization & administration*; D006801:Humans; D055811:Journal Impact Factor; D007857:Leadership; D014481:United States