他现在是疾病控制中心的一名流行病学专家。

He's now a medical epidemiologist with CDC.

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匹兹堡大学的流行病学专家德芙拉·戴维斯出版了一本有关手机辐射的书《关机》。

Devra Davis, an epidemiologist who has worked for the University of Pittsburgh, has published a book about cellphone radiation - "Disconnect".

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哈佛大学公共卫生医学院的流行病学专家金·伯特兰就表示，她真的没看出这有什么价值。

"I'm not really seeing the value in this," says Kim Bertrand, an epidemiologist at the Harvard School of Public Health.

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