What is Viagra?

Viagra is a drug that is used to treat erectile dysfunction. It was originally developed by Pfizer and released in 1998.

Viagra is a brand name for sildenafil citrate, a drug that is used to treat erectile dysfunction. It was discovered in the late 1980s and was originally marketed by Pfizer.

비아그라 정품 is one of the most popular brands of prescription drugs worldwide. It has been around for more than 25 years, with over 100 million prescriptions written annually.

There are many different uses for Viagra, including the treatment of pulmonary arterial hypertension and angina pectoris.

Viagra is an orally administered drug for treating erectile dysfunction (ED) in men. It is the most commonly prescribed medication for ED.

비아그라 정품 is a brand of sildenafil citrate, a selective inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase type 5 (PDE5) enzyme in the corpus cavernosum of the penis. It works by enhancing smooth muscle relaxation and allowing blood to enter the corpora cavernosa, which results in increased penile rigidity and firmness.

Viagra was discovered by accident when scientists were researching a new class of anti-angina drugs.

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