Rein in the extremists.
D019976:Cloning, Organism / Q000331:legislation & jurisprudence; D033041:Embryo Research / Q000941:ethics / Q000331:legislation & jurisprudence; D004622:Embryo, Mammalian / Q000166:cytology; D006801:Humans; D013234:Stem Cells / Q000166:cytology