Giving stem cells to unborn babies diagnosed with spina bifida while they have in utero surgery could be “a major milestone” in the treatment of birth defects, doctors say.
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“胜非其难也，持之者其难也。”国际社会在赞誉中国为全球减贫事业作出积极贡献的同时，也曾有关切声音：这是一次性成就还是持久变革？
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