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Viagra (Sildenafil)
It has been estimated that impotence affects 140 million men worldwide. Over half of all men with impotence are thought to have some physical (medical) cause. The remainder are believed to have psychogenic causes of impotence. Medical causes of impotence include diabetes and circulatory, neurological or urological conditions.
Cialis(TADALAFIL), dubbed "Le Weekend Drug" in Europe, is a new treatment for Erectile Dysfunction (ED) from Lilly ICOS LLC. Clinical studies show that Cialis works faster, lasts up to 36 hours and has less side effects than Viagra.
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