Physician distribution across metropolitan areas.
D000293:Adolescent; D000328:Adult; D003695:Delivery of Health Care; D005260:Female; D006280:Health Workforce; D006801:Humans; D008297:Male; D010820:Physicians / Q000600:supply & distribution*; D011153:Population; D011331:Private Practice; D013038:Specialization; D014481:United States; D014505:Urban Population