Posted by
admin2 on Jul 16, 2011 in
Health News,
Medicine |
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On 19 June this 2011 patent expired viagra was in the hands of Pfizer, as has been the success of the “blue pill” that seek to keep the lab customers with a new product: viagra chewable.
By overcoming the firm loses patent exclusivity for the drug sale in a market valued at $ 180 million,...
