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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官方版本下载是该领域的重要参考
，这一点在夫子中也有详细论述
Author(s): Niusha Niknahad, Obioma U. Uche
// console.log(nextGreaterElement([4,1,2], [1,3,4,2])); // 预期输出：[-1,3,-1]，更多细节参见51吃瓜