Stem-cell research: the rocky road to success.
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Erika
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D000818:Animals; D002467:Cell Nucleus / Q000235:genetics; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D008404:Massachusetts; D051379:Mice; D053652:Nuclear Transfer Techniques; D035845:Research Embryo Creation / Q000941:ethics / Q000331:legislation & jurisprudence / Q000379:methods; D013234:Stem Cells / Q000166:cytology / Q000378:metabolism; D014495:Universities