RAO Bulletin Update 15 Oct 2007 - Veterans Resources

In the late 1980s and early 1990s, several large clinical trials showed that the blood thinner warfarin - referred to by many patients as "rat poison" because it was first marketed as a pesticide - reduced the risk of stroke by about 66% compared with placebo in patients with A-fib. Clotting factors in the blood depend on the presence of vitamin K. ................
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