Even though Viagra
has only been available since 1998, it has already gained
a world-wide reputation, with sales of around £1billion
per year. Pfizer, the world's largest pharmaceutical company,
has a certain amount of good luck to thank for this phenomenal
success.
It was by chance that they discovered its ability to
treat erectile
dysfunction, having developed it to treat angina.
In this electronic resource (e-source), we'll use the
Viagra
story to show how a medicine is designed, developed and
produced.
