비아그라에 대해 알려지지 않은 사실
In studies with healthier volunteers of single doses as many as 800 mg, adverse reactions had been just like Individuals seen at reduced doses but incidence charges and severities have been enhanced.Sildenafil enhances the result of NO by inhibiting phosphodiesterase variety 5 (PDE5), which happens to be responsible for degradation of cGMP from the