Analysis of information sources in references of the Wikipedia article "Ekaterina Guliyev" in English language version.
Russian athlete Ekaterina Poistogova-Guliyev, 33, has been stripped of her silver medal in the 800 metres at the London 2012 Olympic Games. The Russian athletics federation, RusAF, has banned the athlete, who now competes for Turkey, for four years for past doping. The Russian federation cancelled her results from July 2012 to October 2014 after analysing old samples.