비아그라 효과에 대해 알려지지 않은 사실
VIAGRA needs to be used with caution, and only in the event the anticipated Added benefits outweigh the hazards, in people using a heritage of NAION. Patients using a "crowded" optic disc could also be at an increased danger of NAION. (5.three)Gurus say working with also large a dose of Viagra when initially beginning the erectile dysfunction drug