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- ♂ (0 bytes) () 03/22/2013 postreply 12:04:22