British Broadcasting Corporation


Page last updated at 02:59 GMT, Sunday, 24 May 2009 03:59 UK

US 'Viagra scientist' dies at 92

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The scientist whose work led to the development of the anti-impotency drug Viagra has died, aged 92.

Robert Furchgott shared a Nobel prize in 1998 for work showing that nitric oxide could help enlarge blood vessels.

Anna Holligan reports.

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