#Santé #Pharma Viagra maker Pfizer faces competition from generic rivals as patent expires - Telegraph http://t.co/zKfdhUVjgz
June 03, 2013
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Viagra maker Pfizer faces competition from generic rivals as patent expires - Telegraph
Viagra, used by millions of men to treat erectile dysfunction, loses its patent in the UK on June 21, meaning rival manufacturers will legally be able to produce the little blue pill under its generic name, sildenafil.