비아그라가 시간, 스트레스 및 비용을 절약할 수 있는 방법

If the cGMP is wrecked through the phosphodiesterase-5 enzyme, the erection finishes. Viagra prevents phosphodiesterase-five from destroying cGMP so cGMP stays close to for a longer time, which leads to a far more extended erection. Consider VIAGRA accurately as your health practitioner informs you to just take it. She or he will show you just how