비아그라 - 개요

비아그라 - 개요

Keep away from PDE5 inhibitors if you have a historical past of a watch situation named non-arteritic anterior ischemic optic neuropathy (NAION). NAION is characterised from the interruption of blood stream to the optic nerve.But the truth is, a better dose received’t make your erections any tougher or help you retain an erection any more after t

read more