VOA常速英语2008年-Questions Raised About Credibility of Lung Canc
时间：2008-04-06 05:35:34
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（单词翻译）
By Melinda Smith
Washington
31 March 2008
A recent story in The New York Times newspaper raised serious questions about the credibility of a lung cancer study paid for in part by a large tobacco1 company.
As VOA's Melinda Smith reports, there is growing concern the study raised false hopes for lung cancer patients.
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