BUSINESS WARS #28 How Pfizer patented Viagra and kept the market with "horse" prices for 20 years


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BUSINESS WARS #28 How Pfizer patented Viagra and kept the market with "horse" prices for 20 years
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BUSINESS WARS #28 How Pfizer patented Viagra and kept the market with horse prices for 20 years - My, Monopoly, Pfizer, Viagra
Pfizer Viagra Monopoly
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