비아그라의 가장 좋은 면

Once the cGMP is wrecked with the phosphodiesterase-5 enzyme, the erection ends. Viagra stops phosphodiesterase-5 from destroying cGMP so cGMP stays all over for a longer period, which leads to a far more extended erection. g., angulation, cavernosal fibrosis, or Peyronie's disease); or diabetic issues. Also tell your medical doctor when you or an