What was viagra originally for
Manufacture and sale of sildenafil citrate drugs known as “generic Viagra” is common in India, where Pfizer’what was viagra originally for patent claim does not apply. Sildenafil, sold as the brand name Viagra among others, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. FDA Announces Revisions to Labels for Cialis, Levitra… Read More »