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3 Reasons Viagra Doesn't Always Work

19 ratings | 12853 views
http://davidkjayne.com Dr. David Jayne in Edmond, Oklahoma explains three reasons why your Viagra may not work.
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Text Comments (2)
Stephen D (1 year ago)
Taking SSRI antidepressants will really kill sex drive and function...Viagra may not help.
Chester Fields (1 year ago)
I took a 100mg Viagra tablet and I had an erection for four hours.

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