title: Physician extenders are cost-effective approach.
mesh_terms: D003362:Cost-Benefit Analysis; D004526:Efficiency; D006123:Group Practice / Q000191:economics* / Q000458:organization & administration; D010823:Physician Assistants / Q000191:economics* / Q000706:statistics & numerical data; D012456:Salaries and Fringe Benefits; D014481:United States