Manual article review is required for this article
Manual article review is required for this article
Manual article review is required for this article
Most studies assessed the efficacy of sildenafil approximately 60 minutes post-dose . The erectile response, birli assessed by RigiScan®, generally increased with increasing sildenafil dose and plasma concentration . The time course of effect was examined in one study, showing an effect for up to 4 hours but the response was diminished compared to