'Ethical' routes to stem cells highlight political divide.
Dennis
Carina
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Check
Erika
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D000818:Animals; D010064:Embryo Implantation; D035082:Federal Government; D005307:Fertilization in Vitro / Q000941:ethics / Q000379:methods; D006801:Humans; D051379:Mice; D011057:Politics; D035845:Research Embryo Creation / Q000941:ethics* / Q000331:legislation & jurisprudence / Q000379:methods*; D013234:Stem Cells / Q000166:cytology*; D014481:United States