* Health and Medical News:Pricing wars heat up over hepatitis C drugs

Discounts on Gilead's hepatitis C drugs this year will be 46 percent, way more than investors and analysts expected.



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via Health and Medical NewsHealth and Medical News Pfizer Inc has already had its takeover overtures rebuffed three times by rival AstraZeneca Plc, but investors in the U.S. drugmaker say it can tolerate a little more rejection before going hostile with the deal. AstraZeneca turned down a sweeten...

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