Columbia subject headings:
Embryology, Human--Research--Moral and ethical aspects.
Fetus--Research--Moral and ethical aspects.
Unborn children (Law)
Harvard subject headings:
Embryology, Human--Research--Moral and ethical aspects.
Fetus--Legal status, laws, etc.
Fetus--Research--Moral and ethical aspects.
Unborn children (Law)
Princeton subject headings:
Embryology, Human--Research--Moral and ethical aspects.
Fetus--Research--Moral and ethical aspects.
Unborn children (Law)