Companies balk at California's patent rules for stem cell research.
Keim
Brandon
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D035843:Biomedical Research / Q000191:economics / Q000331:legislation & jurisprudence* / Q000592:standards; D001709:Biotechnology / Q000191:economics / Q000331:legislation & jurisprudence / Q000592:standards; D002140:California; D033041:Embryo Research / Q000331:legislation & jurisprudence; D053595:Embryonic Stem Cells; D006801:Humans; D007221:Industry / Q000191:economics / Q000639:trends; D010330:Patents as Topic / Q000331:legislation & jurisprudence*; D012109:Research Support as Topic