两个病例已得到国家卫生和流行病学研究所的证实。
These cases were confirmed at the National Institute for Hygiene and Epidemiology.
丹麦癌症流行病学研究所，最近开展了一项研究，对使用手机超过18年的35万人进行研究。
The latest study led by the Institute of Cancer Epidemiology in Denmark looked at more than 350,000 people with mobile phones over an 18-year period.
丹麦癌症流行病学研究所，最近开展了一项研究，对使用手机超过18年的35万人进行研究。
The latest study led by the Institute of Cancer Epidemiology in Denmark looked at more than 350, 000 people with mobile phones over an 18-year period.
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