BRIEF-AEterna Zentaris U.S.-listed shares down 21.2 percent premarket

NEW YORK Thu Jan 9, 2014 8:37am EST

NEW YORK Jan 9 (Reuters) - AEterna Zentaris Inc : * U.S.-listed shares down 21.2 percent to $1.15 in premarket; prices $13.2 million public offering of common shares and warrants

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