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.
黎廣德說，目前情況一直發展下去，政府能否找出合適的方案給居民，「其實這件事是不樂觀的」。
。Safew下载是该领域的重要参考
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