Columbia subject headings:
Health insurance--Canada.
National health services--Australia.
National health services--Canada.
National health services--Europe.
National health services--New Zealand.
Harvard subject headings:
Health insurance--Australia.
Health insurance--Canada
Health insurance--Europe.
Health insurance--New Zealand.
National health services--Australia.
National health services--Canada.
National health services--Europe.
National health services--New Zealand.
Princeton subject headings:
Health insurance--Australia.
Health insurance--Canada.
Health insurance--Europe.
Health insurance--New Zealand.
National health services--Australia.
National health services--Canada.
National health services--Europe.
National health services--New Zealand.