Columbia subject headings:
Harvard subject headings:
Health services accessibility--United States--Computer programs.
Hospital care--United States--Statistical services--Computer programs.
Hospital utilization--United States--Statistical services--Computer programs.
Medical care--United States--Quality control--Computer programs.
Princeton subject headings:
Health services accessibility--United States--Computer programs.
Hospital care--United States--Statistical services--Computer programs.
Hospital utilization--United States--Statistical services--Computer programs.
Medical care--United States--Quality control--Computer programs.