中石油高层再有5人被带走：副总孙龙德刚接任董秘 (Five more oil executives taken in for questioning)
The People’s Daily, September 9, 2013
http://news.dayoo.com/china/201309/09/53868_32422177.htm
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中石油反腐风暴：大批处级干部被曝遭到调查 (Large number of mid-level cadres investigated in PetroChina anti-corruption crackdown)
The People’s Daily, September 9, 2013
http://news.sina.com.cn/c/2013-09-09/034028165743.shtml
Exclusive: U.S. prosecutors add China bribe allegations to GSK probe
Reuters, September 6, 2013
http://www.reuters.com/article/2013/09/06/us-gsk-bribery-doj-idUSBRE98511R20130906