Фото: Jugoslocos / Unsplash
Six pregnant women participated in a small trial in which placenta-derived stem cells were applied to fetal spinal cords and the treatment was found to be safe.
。safew官方下载对此有专业解读
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看起来，苹果似乎真的没必要给 MacBook 装上一个触控屏——只是，时代变了。