Selling Chinese-made Viagra could turn a company into a future pharmaceutical Goliath, which would please China's rulers.

Because many Internet sites routinely sell Viagra without imposing even minimal, and legally required, controls, policing nonmedical use can be extremely difficult.

"There was a part in the script that called for a midget who is selling Viagra in the R.V. camping sites," Segura told me.

Pfizer told The Associated Press that they will begin selling Viagra directly to patients on its website.

Next thing you know, instead of your bank's web site, you end up at some place trying to sell you cheap Viagra.

"Public officials cash in when they leave," he said, "and we've gotten used to it, whether it's selling potato chips or Viagra or just their celebrity."

At the mouth to the Deira markets is a bustling intersection with bus transfers, water taxi stations, and street vendors selling "Natural Viagra."

She says she has turned down advertising for products like vitamins and promotions for sites selling Viagra.

Jamie soon starts selling Viagra, an instant success.

The Pennsylvania study found 86 Web sites that sold Viagra, the anti-impotence drug, without requiring a doctor's visit or a prescription.