Medications
Canada high court voids Pfizer's Viagra patent
Canada's top court on Thursday stripped Pfizer of its patent for Viagra, saying the pharmaceutical giant failed in the patent to identify the active compound in the drug.
Nov 8, 2012
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News tagged with erection
Medical research
Researchers uncover biochemical events needed to maintain erection
For two decades, scientists have known the biochemical factors that trigger penile erection, but not what's needed to maintain one. Now an article by Johns Hopkins researchers, scheduled to be published this week by the Proceedings ...
Sep 26, 2012
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Health
Email sexual advice study highlights problems raised by different ages and cultures
More than two-thirds of men who contacted an email advice service run by a leading sexual advice charity had erection problems, which were frequently linked to loss of sex drive, according to research in the October issue ...
Sep 22, 2011
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