New Source of Stem Cells（干细胞有了新来源） #10. Benefits of Vitamin D（维生素D益处多多） .
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new source of stem cells
干细胞的新来源
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Dr Frisen reckons that they may offer several advantages over human embryonic stem cells which, although easier to manipulate, are a controversial source of new tissue because they are still mainly obtained from aborted fetuses.
ECONOMIST: Stem cells
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