비아그라에 대해 알려지지 않은 사실
VIAGRA might cause your hypertension to fall instantly to an unsafe level whether it is taken with particular other medicines. Will not consider VIAGRA if you're taking any other medicines named “nitrates.Sildenafil enhances the influence of NO by inhibiting phosphodiesterase sort five (PDE5), which happens to be to blame for degradation of cGMP