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More Great Links

• ­USRF: Viagra Is Misunderstood Despite Name Recognition­
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Sources ­­­

• Pfizer's Viagra.com
• Viagra.com: How does Viagra work?
• Human Biology Web Site: What is Viagra and How Does It Work?
• CNN.com: U.S. discoverers of Via­gra principle get Nobel Prize - Oct. 12, 1998
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• HealthandAge.com: Nitric Oxide and Vascular Health
• SchoolScience: The Viagra story
• Boston University: The Current and Emerging Medical Therapies for Male Erectile Dysfunction
• HolisticHealthTools: Viagra & The Red Meat Connection
• USRF: Viagra vs. the new PDE­-5 Inhibitors: Levitra and Cialis
• MedReviews: Lower Urinary Tract Symptoms, Benign Prostatic Hyperplasia, Erectile Dysfunction, and Phosphodiesterase-5 Inhibitors­
• ­Boston University: Better Erections with Injections
• FDA.gov: Cialis
• ­Beyond Discovery: Nitric Oxide in Biology and Medicine