The number of physicians as a constraint on delivery of health care. How many physicians are enough?
D003365:Costs and Cost Analysis; D003695:Delivery of Health Care; D005550:Foreign Medical Graduates; D006280:Health Workforce; D006801:Humans; D006278:Medicare; D010820:Physicians / Q000600:supply & distribution*; D012424:Rural Population; D012577:Schools, Medical; D013038:Specialization; D014481:United States; D014505:Urban Population; D014798:Vital Statistics