Matthew Herper tweeted...
View Matthew Herper's timeline and complete journalist profile →RT @Loftus: My recent walkup to Merck's "Thrive" study of niacin-based drug, now failed $MRK ... http://t.co/8dfOus9w http://t.co/7mky5sHJ
— Matthew Herper (@) December 20, 2012
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