If doping dominated the prelude to the Rio Olympics after the exclusion of a number of Russian athletes, it turns out drug testing protocols undertaken during the Games had "serious failings," according to the World Anti-Doping Agency.
원문출처 : http://www.cnn.com/2016/10/28/sport/wada-rio-2016-anti-doping/index.html
원문출처 : http://www.cnn.com/2016/10/28/sport/wada-rio-2016-anti-doping/index.html