title: Commentary: emergency medical services: just the beginning of an effective system.
authors.affiliation: Department of Emergency Medicine, Center for Injury Prevention and Control, The George Washington University Medical Center, Washington, DC, USA.
authors.forename: Mary Pat
authors.initials: MP
authors.lastname: McKay
mesh_terms: D004632:Emergency Medical Services / Q000266:history* / Q000458:organization & administration; D049673:History, 20th Century; D049674:History, 21st Century; D014481:United States