Emergency medical services: new program for old problem.
D000552:Ambulances; D001131:Arkansas; D002140:California; D003142:Communication; D004632:Emergency Medical Services; D004636:Emergency Service, Hospital; D005431:Florida; D006275:Health Facility Planning; D006285:Health Planning; D006280:Health Workforce / Q000600:supply & distribution; D006801:Humans; D007087:Illinois; D008396:Maryland; D008952:Mobile Health Units; D009820:Ohio; D011203:Poverty; D012040:Regional Health Planning; D012423:Rural Health; D014481:United States; D014482:United States Substance Abuse and Mental Health Services Administration; D014505:Urban Population; D014947:Wounds and Injuries