Columbia subject headings:
Diseases--Economic aspects--United States.
Federal aid to medical research--United States.
Medicine--Research--Economic aspects--United States.
Research and development contracts--United States.
Harvard subject headings:
Diseases--Economic aspects--United States.
Federal aid to medical research--United States.
Medicine--Research--Economic aspects--United States.
Research and development contracts--United States.
Princeton subject headings:
Diseases--Economic aspects--United States.
Federal aid to medical research--United States.
Medicine--Research--Economic aspects--United States.
Research and development contracts--United States.