Citario/El dijo que...: Philip Roth, The human stain

I was also left impotent by the surgery. 
The drug therapy that was practically brand—new in the summer of 1998 and that had already, in its short time on the market, proved to be something like a miraculous elixir, restoring functional potency to many otherwise healthy, elderly men like Coleman, was of no use to me because of the extensive nerve damage done by the operation. 
For conditions like mine Viagra could do nothing, though even had it proved helpful, I don't believe I would have taken it.(Ver)