Columbia subject headings:
Aging--Moral and ethical aspects.
Gerontology--Canada.
Gerontology.
Older people--Social conditions.
Harvard subject headings:
Aging--Moral and ethical aspects.
Gerontology--Moral and ethical aspects.
Older people--Legal status, laws, etc.--Canada.
Older people--Medical care--Moral and ethical aspects.
Right to die.
Princeton subject headings:
Aging--Philosophy.
Euthanasia.
Older people--Social conditions.