title: The problem of abortion and negative and positive duty: a reply to James LeRoy Smith.
mesh_terms: D000032:Abortion, Therapeutic / Q000523:psychology*; D034723:Double Effect Principle; D004989:Ethics; D004992:Ethics, Medical; D005260:Female; D006801:Humans; D033182:Intention; D028681:Moral Obligations; D010684:Philosophy; D011247:Pregnancy