Race Is on for the Next Blood Thinner

WSJ.com: "Big-name pharmaceutical companies are hoping to find a new blockbuster drug in a market now dominated by one of the oldest mainstay pills in medicine: the blood thinner warfarin. At least five next-generation blood thinners are in advanced testing to treat or prevent potentially debilitating or life-threatening blood clots in surgery and heart patients. First candidates could reach the market in 2009."