It has also found use as a masking agent.

The problem is exacerbated by the use of the masking agent, epitestosterone.

I had no motive for introducing alcohol or indeed any other masking agent into my sample.

In 2011, he was provisionally suspended after testing positive for a potential drug masking agent.

Also, in the case of steroids, doctors and medical researchers continue to find masking agents that make detection impossible.

He also said players would be banned if traces of masking agents for steroids turned up in the tests.

If it finds no banned drugs or masking agents, the B sample is thrown away.

Finasteride can be used as a masking agent for performance-enhancing drugs.

Drug tests are easily beaten with a combination of temporary abstinence and masking agents.

The rest were for steroids, masking agents, human-growth hormone and other substances.

Epitestosterone is said to serve as a masking agent for elevated levels of testosterone.

"The drug has a built-in masking agent which hides its presence from the test that the league uses.

Excessive water is sometimes used as a masking agent, and his results were flagged as questionable.

Propecia contains finasteride, which is also banned as a masking agent.

"The exclusion of Garzelli, who tested positive for a masking agent, wasn't a normal thing.

Diuretics are typically called masking agents in sports.

The tests will be for steroids, masking agents, diuretics and other performance-enhancing substances.

Much of sport remained a competition among chemists, with hot drugs and masking agents lurking in many athletes' systems.

Diuretics dilute the urine, thus serving as a masking agent for steroid use.

Diuretics are considered masking agents for performance-enhancing drugs.

Masking agents and the more recent phenomenon of players blaming positive tests on dietary supplements sometimes thwart those efforts.

"A very faint trace of a cellular masking agent on one of the bunks."

Call it a physical masking agent.

His career suffered a major setback in 2002 when he tested positive for the banned masking agent probenecid.

"She was tested continually last year and never tested positively for drugs or a masking agent.