中国专家称死猪危害仅如苍蝇在游泳池 上海民众拟抗议官方水质检测数据问题 (Blogger Says Authorities Repeatedly Postponed Using Updated Standard for Drinking Water) Voice of America, March 20, 2013 http://www.rfa.org/mandarin/yataibaodao/huanjing/yf2-03202013103104.html