aiming gold olympics drug tests_00015317
aiming gold olympics drug tests_00015317

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    Catching Olympic drug cheats

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Catching Olympic drug cheats

CNN's Ben Wyatt visits the GlaxoSmithKline laboratory to learn more about dope screening ahead of the Olympic Games.

Catching Olympic drug cheats

CNN's Ben Wyatt visits the GlaxoSmithKline laboratory to learn more about dope screening ahead of the Olympic Games.