The hard cell.
Ethical quandaries aside, stem-cell science is attracting researchers worldwide. Ricki Lewis reports.
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D000328:Adult; D000818:Animals; D035843:Biomedical Research / Q000941:ethics / Q000639:trends*; D033041:Embryo Research / Q000941:ethics; D053595:Embryonic Stem Cells; D006801:Humans; D044968:Regenerative Medicine / Q000941:ethics / Q000639:trends; D012108:Research Personnel / Q000193:education*; D000078329:Workforce