Astana source alleges Contador used Clenbuterol after Criterium du Dauphiné

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  Alberto Contador Velasco (Astana) leads Janez Brajkovic (Team Radioshack) with just over six and a half kilometres to Alpe d'Huez.

  Photo credit © Russell Standring/www.grenoblecycling.com

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  Alberto Contador warms up for the Dauphine time trial.

  Photo credit © Hedwig Kröner

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  Alberto Contador (Astana) lost the overall lead of the Dauphine in the 49km time trial.

  Photo credit © Fotoreporter Sirotti

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