Researchers at wake forest university and harvard university reported the stem cells they drew from amniotic fluid donated by pregnant women hold much the same promise as embryonic stem cells 这些来自韦克福里斯特大学和哈佛大学的研究人员发现,提取自羊水中的干细胞毫不逊色于胚胎干细胞,而且该提取过程不会对母亲和胎儿造成任何危险。