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Researchers test Viagra alternative

Targeting a new pathway for how erections occur, researchers at Medical College of Georgia may have found an alternative impotence treatment for those not helped by Viagra. But the experimental compound has been tested only in rats and needs further safety studies before it could be tried on humans, and that will be up to the Japanese company that owns it, the researchers said. And because it is injected - not a method well-received by men - the researchers are trying to find a way to apply the drug topically.
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