In research conducted since the introduction of sildenafil (Viagra), studies suggest that as many as _________ of men in the United States suffer from some degree of erectile dysfunction.

Name: In research conducted since the introduction of sildenafil (Viagra), studies suggest that as many as _________ of men in the United States suffer from some degree of erectile dysfunction.
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Question

Quizplus · Accepted Answer

Research indicates that approximately one-third of men in the United States experience some degree of erectile dysfunction.

In Research Conducted Since the Introduction of Sildenafil (Viagra), Studies