Sentence examples for by a positive test from inspiring English sources

But even those relatively modest prospects have been dimmed significantly by a positive test for an elevated level of testosterone after Landis's extraordinary performance in the Alps last week in Stage 17 of the Tour.

It's not impossible that drugs are involved in Lagat's success; he was briefly tainted by a positive test for E.P.O., in 2003, though further testing of another sample he gave after that meet cleared him.

Hardy, who broke her first world record while in high school, is USA Swimming's golden girl turned Hester Prynne, disgraced by a positive test for a banned drug.

We were able to calculate the incidence rates of secondary disease in relation to initial Mantoux and ELISPOT results and to show how many secondary cases were 'captured' by a positive test.

Possible converters had an initial negative result followed by a positive test.

The higher prevalence of delayed and absent colonoscopy after the first screening test may indicate greater concern generated by a positive test after a first negative test.

Also, a specificity and PPV of 100% was achieved by defining a positive test as CMV viraemia in two samples.

As recommended by the manufacturer, a positive test for MTB infection was considered if the IFN-γ difference was ≥0.35 IU/ml (TB antigens Negative control).

March 1 - Informed by the British Olympic Association of a positive test for the banned substance methamphetamine.

Patients were defined as HCV infected by the presence of a positive test for HCV antibodies.

On the team bus, she claimed, she heard several top team officials fretting about a positive test by Armstrong for steroids.