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A urine sample taken from three-time Tour de France winner Alberto Contador showed abnormally high levels of plastic residues that could indicate he received a transfusion of his own blood during this year’s race, a person with knowledge of the test results told The Associated Press on Tuesday.
Contador, who has previously denied receiving a transfusion, was provisionally suspended by the international cycling federation last week after a small amount of the banned drug clenbuterol was discovered in one of his samples by a laboratory in Cologne, Germany.
Contador has been provisionally suspended by the UCI and will lose his Tour de France title if he is convicted of doping. He also risks a two-year suspension.
Alberto Contador says he may quit cycling if he is banned for doping.
“If this is not resolved favourably and in just fashion then I would have to consider whether I would ever get back on a bike,” Contador told Spanish broadcaster Telecinco.