title: Killing, abortion, and contraception: a reply to Marquis.
authors.forename: Alastair
authors.initials: A
authors.lastname: Norcross
mesh_terms: D000028:Abortion, Induced; D033421:Beginning of Human Life; D003267:Contraception; D026689:Ethical Analysis; D004989:Ethics; D005333:Fetus; D006708:Homicide; D006806:Human Rights; D006801:Humans; D007206:Individuality; D019369:Life; D010063:Ovum; D028723:Personhood; D010684:Philosophy; D013094:Spermatozoa; D014947:Wounds and Injuries