Efforts to improve emergency medical services: the Illinois experience.
D000063:Accidents, Traffic; D004632:Emergency Medical Services / Q000592:standards*; D005069:Evaluation Studies as Topic; D006760:Hospitalization; D006801:Humans; D007087:Illinois; D010347:Patient Care Planning; D013597:Systems Analysis; D014187:Transportation of Patients; D014947:Wounds and Injuries / Q000401:mortality