https://pligg.samweber.biz/story.php?title=patients-in-study-i-who-did-not-achieve-an-erection-with-60-rigidity-at-the-base-of-the-penis-at-70-min-afte In the second study, fasted patients received four treatments and underwent four assessments. Visual sexual stimulation (VSS) began 10 min after dosing with study medication and lasted for 60 min. The ability to achieve penile erection is dependent on several factors, including relaxation of corpus cavernosal smooth muscle, increased vascular blood inflow and restricted venous outflow in the penis Wed, 04 Jul 2018 20:09:31 UTC en