The most famous fact about the first erection pill is that nobody was looking for it. Sildenafil began as a heart-drug candidate; the erections were a surprise reported by trial volunteers, and the rest is history. It's a wonderful story—but it's only half the story. Because the drug in this particular tablet, tadalafil, was born the opposite way. Its existence is a small monument to a...
English
Arabic
French
Spanish
Portuguese
Turkish
Dutch
Italiano
Russian
Romaian
Portuguese (Brazil)
Greek