Tadalafil (Cialis®) and Vardenafil (Levitra®) Recently ...

(Levitra@) Recently Approved Drugs For Erectile Dysfunction Kaye K. Gaines rectile dysfunction (ED) affects more than 30 million men in the United States, more than 150 million men worldwide, and accounts for half a million visits to health care providers annually (Sharlip, Jarow, & Rajfer, 2003). In August 2003, the FDA approved vardenafil ................
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