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. Author manuscript; available in PMC: 2013 Apr 26.
Published in final edited form as: Clin Chim Acta. 2005 Apr 12;358(0):113–118. doi: 10.1016/j.cccn.2005.02.010

Fig. 4.

Fig. 4

This shows the comparison of the tandem mass spectrometric method with the direct immunoassay method on the Dade RxL Dimension for the measurement of free T4.