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Great Serendipities of our History, Viagra
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They were making tests with both men and women, it was effective but they noticed something else….
They were designing a drug to treat arterial hypertension and angina pectoris
The male test subjects suffered a inminent pennis erection
There was a team of pharmacists lead by Ian Osterloh in the Morriston hospital in Welsh
So in 1996 Pfizer patented it and in 1998 it was approved by FDA and distributed world wide as a pill for erectile dysfuncion
Now people with this problem and specially old men can relive youth to its prime
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