A survey measures EMS patterns. Life in the big city.
D000488:Allied Health Personnel / Q000600:supply & distribution*; D000704:Analysis of Variance; D004632:Emergency Medical Services / Q000458:organization & administration*; D004634:Emergency Medical Technicians / Q000600:supply & distribution*; D005260:Female; D006801:Humans; D008297:Male; D014481:United States; D014505:Urban Population