Columbia subject headings:
Health services administration--United States--Abstracts.
Medical care--Research--United States--Abstracts.
Medical care--United States--Abstracts.
Public health--Research--United States--Abstracts.
Harvard subject headings:
Health services administration--United States--Abstracts.
Medical care--Research--United States--Abstracts.
Medical care--United States--Abstracts.
Public health--Research--United States--Abstracts.
Princeton subject headings: