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Among those who died from lung cancer, smoking or second-hand smoke caused 87 percent of the cases. Male smokers are eight to 20 times more likely to get lung cancer than male non-smokers.
(China.org.cn April 20, 2011) |
因肺癌死亡的患者中，87%是由吸煙（包括被動吸煙）引起的，男性吸煙者肺癌死亡率是不吸煙者的8倍到20倍。 |
