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美国费城的研究人员日前发布研究声明表示,基因变异会导致常见的致死性的儿童恶性肿瘤——“神经母细胞瘤”。图为一名实验室工作人员正在观察DNA样本。
Researchers in the United States Philadelphia recently released a study statement that genetic variation can lead to the common fatal childhood malignancy - “neuroblastoma.” The picture shows a laboratory staff observing a DNA sample.