In March 1998, a new 'wonder' drug was first approved for use. It marked a breakthrough in the treatment of male impotence. We hear from two men who helped develop Viagra: Dr Ian Osterloh, who worked for the drug company Pfizer and consultant urogolist, Clive Gingell, who conducted the first clinical trials.
(Photo: Viagra pills. Credit:Getty Images)
Published on Tuesday, 22nd March 2016.
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