Viagra 50mg

Rating: ★★★★★
Origin: USA-USA.
Best Buy Shipping: Overnight
Drug class: phosphodiesterase Inhibitors
Formula: C22H30N6O4S
Elimination half-life: 3–4 hours
Trade names: Viagra

An erection happens due to an increase in blood flow to the penis of a person. This blood flow is the result of arousing sexual thoughts or direct contact with the penis.

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