academic article

• Efficacy and safety of sildenafil in men with serotonergic antidepressant-associated erectile dysfunction: results from a randomized, double-blind, placebo-controlled trial..  The Journal of clinical psychiatry.  67:240-246. 2006
• Depression, antidepressant therapies, and erectile dysfunction: clinical trials of sildenafil citrate (Viagra) in treated and untreated patients with depression..  Urology.  60:58-66. 2002