“过期肉”丑闻后 麦当劳严把质量关 (McDonald’s will closely monitor product quality after the “expired meat” scandal)
Deutsche Welle, September 2, 2014
http://dw.de/p/1D5LT
China arrests 6 in McDonald's meat safety scandal
The Chicago Tribune, August 29, 2014
http://www.chicagotribune.com/business/breaking/chi-chinese-arrest-6-osi-group-20140829-story.html