비아그라는 무엇을 의미합니까?

Viagra is actually a brand-identify Model of your generic drug sildenafil. It’s a phosphodiesterase sort 5 (PDE5) inhibitor. PDE5 is an enzyme that regulates sure chemicals with your blood, but as a consequence of its effect on the body, it can make it harder for you to get and hold an erection.In case your physician thinks that you could potenti

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