title: A perspective of physician manpower.
mesh_terms: D006297:Health Services Accessibility; D006301:Health Services Needs and Demand / Q000639:trends; D007388:Internal Medicine; D008507:Medically Underserved Area; D010820:Physicians / Q000600:supply & distribution*; D011315:Preventive Medicine; D014481:United States; D000078329:Workforce