中国7成中药材含残余农药 因违法成本低监管不力
Popular chinese medicine herbs 'poisoned' by pesticides
Radio Free Asia, June 25, 2013
CH: http://www.rfa.org/mandarin/yataibaodao/huanjing/yf-06252013100714.html
EN: http://www.rfa.org/english/news/china/herbs-06252013110158.html