title: Terms of engagement.
authors.forename: Sally
authors.initials: S
authors.lastname: Lehrman
mesh_terms: D026688:Bioethical Issues; D019976:Cloning, Organism / Q000941:ethics / Q000331:legislation & jurisprudence; D004622:Embryo, Mammalian / Q000166:cytology*; D006801:Humans; D053652:Nuclear Transfer Techniques; D013234:Stem Cells