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Title
Safety and efficacy of sildenafil citrate in the treatment of Parkinson-emergent erectile dysfunction: a double-blind, Placebo-controlled, randomized study.
The article presents a retraction of the article "Safety and efficacy of sildenafil citrate in the treatment of Parkinson-emergent erectile dysfunction: a double-blind, Placebo controlled, randomized study," by M. R. Safarinejad to the "International Journal of Impotence Research."