VENLO, Netherlands, Jan. 31, 2011 (GLOBE NEWSWIRE) -- QIAGEN N.V. (Nasdaq:QGEN) (Frankfurt:QIA) today announced results of operations for the fourth quarter and the 12-month period ended December 31, 2010. Net sales and adjusted earnings per share for both periods were in line with expectations provided by QIAGEN on November 8, 2010.
