VIAGRA contains sildenafil, which is the same medication located in A further drug called REVATIO. REVATIO is employed to deal with a unusual ailment identified as pulmonary arterial hypertension (PAH). Sildenafil functions by blocking an enzyme in the body identified as PDE5, which helps chill out particular blood vessels. For https://fernandof3196.bloggerbags.com/39482029/the-single-best-strategy-to-use-for-viagra