Al Jazeera, June 15, 2011
http://english.aljazeera.net//news/asia-pacific/2011/06/201161511629677417.html
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中国政府试图掩盖好几省出现铅中毒案例 (Authorities Attempt to Censor News on Lead Poisoning in Several Provinces)
Radio Free Asia, June 15, 2011
http://www.rfa.org/mandarin/yataibaodao/qian-06152011164734.html