Viagra Vs. Cialis
NEW YORK - When Viagra, the first drug for erectile dysfunction, hit the market in 1998, it was a boon for late night comedians.
It was less of windfall for drugmaker. In 2002, sales of Viagra amounted to only $1.4 billion, far less than Pfizer's blockbusters for cholesterol, pain, and epilepsy.http://anesthesia.mc.duke.edu/zope/simcenter/libSim /news/1203080978/buy-viagra-online-no-prescription.html <a href="http://anesthesia.mc.duke.edu/zope/simcenter/libS im/news/1203080978/buy-viagra-online-no-prescription.html&qu ot;>buy viagra in uk</a> [url=http://anesthesia.mc.duke.edu/zope/simcenter/libSim/new s/1203080978/buy-viagra-online-no-prescription.html]buy viagra in uk[/url]
But the real buzz surrounds Cialis, which lasts nine times longer than Viagra and is being sold by a joint venture between Eli Lilly and Icos.