title: Three views on the preimplantation embryo.
authors.affiliation: Health Care Ethics, SSM Health Care, St. Louis, Missouri, USA.
authors.forename: Michael R
authors.initials: MR
authors.lastname: Panicola
mesh_terms: D033421:Beginning of Human Life; D002410:Catholicism; D004622:Embryo, Mammalian; D005314:Embryonic and Fetal Development; D005307:Fertilization in Vitro; D006801:Humans; D028723:Personhood; D038522:Twinning, Monozygotic; D026712:Value of Life