title: HMOs and the use of 911.
authors.forename: B E
authors.initials: BE
authors.lastname: Haynes
authors.forename: L A
authors.initials: LA
authors.lastname: Bedard
mesh_terms: D004631:Emergency Medical Service Communication Systems; D004632:Emergency Medical Services; D006279:Health Maintenance Organizations; D006801:Humans; D013689:Telephone; D014481:United States