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becauseTexas47 karma
there was a generic like 4 years ago, but pfizer did something to extend (lol) their patent. Revatio comes as a generic, but because the dosage is different, its not interchangable.
becauseTexas47 karma
there was a generic like 4 years ago, but pfizer did something to extend (lol) their patent. Revatio comes as a generic, but because the dosage is different, its not interchangable.
becauseTexas107 karma
I bought one on Amazon last week. s8 cat&dog
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