该研究发现是在美国肿瘤研究协会的年度会议上提出的。

The US study was presented to the American Association for Cancer Research annual meeting.

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吸烟致命 上海肿瘤研究协会最近的一项研究显示，百分之二十45到64岁上海居民的死亡是由吸烟造成的。

Smoking kills Twenty percent of deaths among local men aged 45 to 64 are caused by smoking, according to a recent survey by the Shanghai Tumor Research Institute.

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丹麦哥本哈根肿瘤流行病学协会的研究人员通过对中枢神经系统的研究发现，长期使用手机的人群与不使用手机的人群癌症发病率几乎是一样的。

Researchers led by the Institute of Cancer Epidemiology in Copenhagen found cancer rates in the central nervous system were almost the same in both long-term mobile phone users and non-users.

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