The new test is the latest weapon in WADA's arsenal following the development of tests for the endurance-boosting drug erythropoietin (EPO) and so-called designer steroids such as tetrahydrogestrinone (THG), which have been chemically engineered to deceive the testers.

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An area in the building is dedicated to testing the integrity and endurance of watches through five sets of tests for a total of 500 hours.

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"Unlike many of my accusers, I have competed as an endurance athlete for 25 years with no spike in performance, passed more than 500 drug tests and never failed one, " Armstrong said on his website.

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