title: Systems analysis in emergency care planning.
mesh_terms: D003201:Computers; D003695:Delivery of Health Care; D004632:Emergency Medical Services / Q000706:statistics & numerical data; D004636:Emergency Service, Hospital / Q000706:statistics & numerical data; D005069:Evaluation Studies as Topic; D006285:Health Planning; D006760:Hospitalization; D006761:Hospitals / Q000706:statistics & numerical data; D006801:Humans; D008722:Methods; D008962:Models, Theoretical; D009874:Operations Research; D010044:Outpatient Clinics, Hospital / Q000706:statistics & numerical data; D010414:Pennsylvania; D012040:Regional Health Planning; D013597:Systems Analysis; D014505:Urban Population