title: Analysis of regional data. Costs vs. benefits of ALS.
mesh_terms: D003362:Cost-Benefit Analysis; D006801:Humans; D008020:Life Support Care; D009203:Myocardial Infarction / Q000191:economics*; D012040:Regional Health Planning; D013673:Technology Assessment, Biomedical / Q000191:economics*; D014481:United States