- CaseResearchonPfizersViagra;PfizerhasbeencriticisedforoverstatingthebenefitsofViagra.ButthisherbalViagraisn'tforthoseofnervousdisposition.ATHLETESareturningtoanewperformance-enhancingdrug:Viagra.TheDolecommercialisthefirsttimePfizerhaspromotedViagra...
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