title: Pushing the boundaries.
authors.forename: Nigel
authors.initials: N
authors.lastname: Williams
mesh_terms: D035843:Biomedical Research / Q000191:economics / Q000941:ethics* / Q000331:legislation & jurisprudence; D019976:Cloning, Organism / Q000941:ethics / Q000331:legislation & jurisprudence*; D006801:Humans; D011640:Public Policy; D013234:Stem Cells; D006113:United Kingdom