title: The need for ALS in urban and suburban EMS systems.
authors.forename: J P
authors.initials: JP
authors.lastname: Ornato
authors.forename: E M
authors.initials: EM
authors.lastname: Racht
authors.forename: J J
authors.initials: JJ
authors.lastname: Fitch
authors.forename: J F
authors.initials: JF
authors.lastname: Berry
mesh_terms: D004630:Emergencies; D004632:Emergency Medical Services / Q000191:economics*; D008021:Life Support Systems / Q000191:economics*; D013383:Suburban Population; D014481:United States; D014504:Urban Health