REUTERS
The ITF said on June 13 that Elena Dorofeyeva gave a supplement containing the stimulant dimethylbutylamine to WTA Tour player Kateryna Kozlova in 2014, RFE/RL reports.
Read alsoReuters: Sharapova banned for two years by ITFKozlova, 22, tested positive and served a six-month ban last year.
She is the current world No. 98.
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