title: The unscientific nature of the concept that "human life begins at fertilization," and why it matters.
authors.affiliation: Keck School of Medicine, University of Southern California, Los Angeles, California.
authors.forename: Richard J
authors.initials: RJ
authors.lastname: Paulson
mesh_terms: D001755:Blastocyst / Q000502:physiology*; D004624:Embryo Transfer / Q000941:ethics* / Q000592:standards; D005306:Fertilization / Q000502:physiology*; D006801:Humans; D019369:Life