"The positive rate of concealed drug analogues in male erectile dysfunction health products is alarmingly high. Such analogues are difficult to detect by ordinary laboratory methods and might be used in an attempt to evade regulatory inspection"

Researchers have warned about "herbal remedies" for erectile dysfunction sold over-the-counter in Hong Kong after most of them were found to contain untested variants of well-known anti-impotence drugs. via Reuters

"The positive rate of concealed drug analogues in male erectile dysfunction health products is alarmingly high. Such analogues are difficult to detect by ordinary laboratory methods and might be used in an attempt to evade regulatory inspection"

Researchers have warned about "herbal remedies" for erectile dysfunction sold over-the-counter in Hong Kong after most of them were found to contain untested variants of well-known anti-impotence drugs. via Reuters

Read more at: http://www.topix.com/drug/viagra/2007/10/hk-experts-warn-against-anti-impotence-remedies?fromrss=1.