http://www.cbsnews.com/news/cancer-danger-from-dry-cleaning/
http://www.webmd.com/cancer/news/20100209/dry-cleaning-chemical-likely-causes-cancer
http://www.motherjones.com/blue-marble/2012/02/does-dry-cleaning-cause-cancer
http://www.ewg.org/enviroblog/2011/09/dry-cleaning-chemicals-hang-around-your-clothes
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