I don't agree. You can see the correlation curve between smoking people and lung cancer people. Also smoking damaging the lung can be visually seen with the imaing technology.
回複:I don't agree. You can see the correlation curve between smok
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我已經說了我討論的是中國的情況,而且作用是疊加的
-dudaan-
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03/22/2013 postreply
12:04:22