title: On classifying the developing organism.
authors.affiliation: Department of Microbiology and Molecular Genetics, Harvard Medical School, USA.
authors.forename: Louis M
authors.initials: LM
authors.lastname: Guenin
mesh_terms: D033421:Beginning of Human Life; D019976:Cloning, Organism / Q000941:ethics; D004622:Embryo, Mammalian; D047108:Embryonic Development; D026689:Ethical Analysis; D006801:Humans; D010312:Parthenogenesis; D028723:Personhood; D009626:Terminology as Topic