如果,1美国的大气质量明显高于中国,2而吸烟人口又明显低于中国,则为何肺癌同是首发,或前位高发癌?
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for one, indoor air matters more
-jaydad-
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10/18/2013 postreply
13:49:46
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for two, carcinogenic foods are much stronger cancer-causing ove
-jaydad-
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10/18/2013 postreply
14:00:07
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over trace amount carcinogen in tobacco smoke
-jaydad-
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10/18/2013 postreply
14:02:06
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Thank you for the information,
-大江川-
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10/18/2013 postreply
14:28:40