Columbia subject headings:
Medical care, Cost of--Canada.
Medical care, Cost of--United States.
Harvard subject headings:
Health insurance--Canada
Health insurance--United States
Medical care, Cost of--Canada.
Medical care, Cost of--United States
Social medicine--Canada.
Princeton subject headings:
Health insurance--Canada.
Health insurance--United States.
Medical care, Cost of--Canada.
Medical care, Cost of--United States.