title: Emergency care: past, present, and future.
authors: Dept of Surgery and Medicine, Section of Emergency Medincine, The University of Texas Southwestern Medical Center at Dallas.
authors: M J
authors: MJ
authors: Krentz
mesh_terms: D004632:Emergency Medical Services / Q000639:trends*; D005544:Forecasting; D006801:Humans; D014481:United States