Viagra for the treatment of impotence Viagra is FDA approved medication and is approved by health authorities in Europe and UK. In fact, it is approved and sold in several countries worldwide. Viagra is manufactured by pharmaceutical giant, Pfizer. The active ingredient in Viagra is sildenafil. It is meant for the treatment of erectile dysfunction [...]
Source: http://www.ca-medicalnews.com/information-on-viagra-for-the-treatment-of-impotence.html
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