Sildenafil, the active ingredient in Viagra, is an FDA-approved medication for treating ED. Though it’s a great ...

Cialis 20 mg may be a more effective treatment of ED than the 10 mg version ... A 2017 systematic review and meta-analysis ...

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Methods Randomised, placebo-controlled study in patients with SSc to assess the effect of sildenafil 20 mg or placebo, three times daily for 12 weeks, on ischaemic DU healing. The primary end point ...