[视频]钟南山：雾霾与肺癌关系有多大尚未明确
2015-03-04 10:25:53 [稿源：cctv] [编辑：张可可]
对于雾霾，全国人大代表钟南山说，有资料明确显示雾霾中二氧化氮与肺癌患病率有密切关系。城市雾霾严重，居民患肺癌率高于农村。但是，肺癌和吸烟关系非常明确，而肺癌和雾霾关系到底有多大？还没有明确结论
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