11.   However, the British team doctor Malcolm Brown told the court he did not believe Christie took performance enhancing drugs or that he faked the initial injury.

12.   Obree said, citing first-hand experience, that the use of performance enhancing drugs in cycling was rife.

13.   She has twice tested positive for performance enhancing drugs.

14.   Smith has always denied using performance enhancing drugs and said she has been subjected to more testing than any of her competitors.

15.   Since taking international competitions by storm three years ago, China has been plagued by allegations of widespread use of performance enhancing drugs by athletes.

16.   The FA lists amphetamine as a performance enhancing drug, proven to improve speed and endurance.

17.   The ruling, signed by arbitrators Carolyn Witherspoon and Peter Lindberg, said evidence showed Jovanovic never intended to take a performance enhancing drug.

18.   Zdenek Zemen, the coach of Italian soccer club AS Roma, sparked a doping scandal by suggesting some star players were taking performance enhancing drugs.

19.   French cyclists Jacky Durand and Thierry Laurent have been suspended for eight months after testing positive to performance enhancing drugs, it was announced here on Wednesday.

20.   He tested postive for illegal performance enhancing drugs after the team arrived back in Pretoria.