비아그라는 무엇을 의미합니까?

Sildenafil (Viagra). This medication operates finest whenever you get it on an vacant stomach an hour in advance of sex. The body normally takes for a longer time to soak up it following a large-Excess fat food or Alcoholic beverages. Its outcomes usually past for four to 5 hours. It might perform for a longer time For those who have gentle to aver