Columbia subject headings:
AIDS (Disease)--California.
Health maintenance organizations--California.
Kaiser-Permanente Medical Care Program. Northern California Region.
Harvard subject headings:
AIDS (Disease)--Economic aspects--California.
Health maintenance organizations--California--Costs.
Kaiser-Permanente Medical Care Program.
Kaiser-Permanente Medical Care Program. Northern California Region.
Princeton subject headings:
AIDS (Disease)--Economic aspects--California.
Health maintenance organizations--California--Costs.
Kaiser-Permanente Medical Care Program. Northern California Region