title: When does human life begin?
authors.affiliation: Obstetrics and Gynecology, Georgetown University, Washington, DC, USA.
authors.forename: Patrick
authors.initials: P
authors.lastname: Yeung
mesh_terms: D033421:Beginning of Human Life; D019976:Cloning, Organism / Q000941:ethics*; D033041:Embryo Research / Q000941:ethics*; D004622:Embryo, Mammalian / Q000166:cytology; D005306:Fertilization; D006801:Humans; D053652:Nuclear Transfer Techniques; D013234:Stem Cells; D049490:Systems Biology; D038522:Twinning, Monozygotic; D015053:Zygote