London olympics dopinglab 190112

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Olympics minister Hugh Robertson (left), London 2012 Chief Executive Paul Deighton (second from left), and CEO of GSK Sir Andrew Witty (2nd from right), are shown a vial of blood by Professor David Cowan, the Head of Science for London 2012, in the anti-doping laboratory which will test athlete's samples from the London 2012 Games.

Oli Scarff

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