Pfizer was making $1.8 billion a year on average from Viagra when the erectile dysfunction drug first appeared on the market. After the patent expired in late …
source CNBC
How Viagra Made Pfizer Billions Before Generics
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Pfizer was making $1.8 billion a year on average from Viagra when the erectile dysfunction drug first appeared on the market. After the patent expired in late …
source CNBC
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