비아그라 효과에 대해 알려지지 않은 사실

VIAGRA ought to be used with warning, and only when the expected Rewards outweigh the dangers, in clients using a history of NAION. Clients having a "crowded" optic disc may also be at an elevated chance of NAION. (5.three)Sildenafil is in a category of prescription drugs called phosphodiesterase (PDE) inhibitors. Sildenafil treats erectile dysfunc