German authorities said Tuesday they have received documents from doping expert Werner Franke which he claims show Tour de France winner Alberto Contador was involved in doping. Franke said he has documents from last year's Operation Puerto doping investigation in Spain which show that Contador, a Spaniard who won the doping-marred Tour on Sunday, had taken HMG-Lepori as a testosterone booster and...
Source: http://sports.yahoo.com
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