Researchers close in on primordial stem cells.
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Parens
D037881:Aborted Fetus; D018929:Cell Culture Techniques / Q000379:methods*; D002455:Cell Division / Q000502:physiology; D002478:Cells, Cultured / Q000502:physiology; D033041:Embryo Research; D004992:Ethics, Medical; D005333:Fetus / Q000166:cytology; D005818:Genetic Engineering; D005854:Germ Cells / Q000502:physiology; D006801:Humans; D013234:Stem Cells / Q000502:physiology*