Researchers have found a 225-percent increase in oral cancer cases in the United States from 1974 to 2007, mainly among white men, said Maura Gillison of Ohio State University.
俄亥俄州立大学MauraGillison声称,研究人员发现在1974到2007年间,在美国口腔癌症的个案增加了2.25倍,而且主要发病者为白人男性。
Researchers have found a 225-percent increase in oral cancer cases in the United States from 1974 to 2007, mainly among white men, said Maura Gillison of Ohio State University.
俄亥俄州立大学MauraGillison声称,研究人员发现在1974到2007年间,在美国口腔癌症的个案增加了2.25倍,而且主要发病者为白人男性。
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