title: Armed America: demands on the EMS system.
authors: Department of Emergency Medicine, Johns Hopkins Hospital, Baltimore.
authors: B M
authors: BM
authors: Callahan
mesh_terms: D004632:Emergency Medical Services / Q000706:statistics & numerical data*; D005389:Firearms; D005544:Forecasting; D006801:Humans; D012449:Safety; D014481:United States / Q000453:epidemiology; D014754:Violence; D014948:Wounds, Gunshot / Q000453:epidemiology*