Alberto Contador tests positive for Clenbuterol
http://www.cyclingnews.com/news/alberto ... lenbuterol
Clenbuterol is a bronchial dilator that is approved for human use in some countries though not many. It's main use is as a veterinary medicine for horses from my reading so far. It is on the WADA banned substances list. Contador tested positive during the rest day of this years TDF.