title: The pre-implantation embryo revisited: a two-celled individual or two individual cells?
authors.affiliation: Province of St. Joseph, USA.
authors.forename: Nicanor Pier Giorgio
authors.initials: NP
authors.lastname: Austriaco
mesh_terms: D033421:Beginning of Human Life; D004622:Embryo, Mammalian / Q000166:cytology*; D005314:Embryonic and Fetal Development / Q000941:ethics; D005306:Fertilization; D006801:Humans; D028723:Personhood; D038522:Twinning, Monozygotic