title: A dangerous precedent.
mesh_terms: D033041:Embryo Research / Q000191:economics*; D053595:Embryonic Stem Cells; D005380:Financing, Government / Q000331:legislation & jurisprudence*; D006801:Humans; D012108:Research Personnel / Q000191:economics* / Q000331:legislation & jurisprudence*; D012109:Research Support as Topic / Q000331:legislation & jurisprudence*; D014481:United States