Thank you for the information,

來源: 大江川 於 2013-10-18 14:28:40 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (279 bytes)
回答: over trace amount carcinogen in tobacco smoke 由 jaydad 於 2013-10-18 14:02:06
smoke-induced lung cancer is not the only reason. Food and lung cancer, it is important.
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