Russia's doping "culture" will take years to change, regardless of the nation's ban from the Winter Olympics, whistle-blower Vitaly Stepanov said on Tuesday.
The International Olympic Committee banned Russia from the Pyeongchang Games on Tuesday after it found evidence of an "unprecedented systematic manipulation" of the anti-doping system.
Stepanov, a former employee of the Russian anti-doping agency RUSADA, helped expose massive doping problems in Russia in 2014 with his athlete wife Yulia Stepanova.
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