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Manual article review is required for this article
Manual article review is required for this article
It’s also probable that utilizing Viagra should help shorten the refractory period. This is actually the time just after orgasm when the body recovers, plus the penis returns to the flaccid state. During this time, the penis doesn't respond to sexual stimulation.are allergic to sildenafil, as contained in Viagra® and Revatio, or any from the sub