But remember, the evidence still is just anecdotal. To learn more about pulmonary hypertension, visit the Pulmonary Hypertension Association or the PPH Cure Foundation . If you're interested in Viagra's main use, go to the Food and Drug Administration , which approved the drug made by Pfizer, Inc., in 1998. Get Your Medifocus Medguide Research Your Illness Visit our Medcenter and get your Medifocus Guide , trustworthy medical information specifically about your health condition. Bookstore Stop by our bookstore and catch up on the latest treatments and remedies for your illness.
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