Agreement of Immunoassay and Tandem Mass Spectrometry in the Analysis of Cortisol and Free T4: Interpretation and Implications for Clinicians
Objective. To quantify differences in results obtained by immunoassays (IAs) and tandem mass spectrometry (MSMS) for cortisol and free thyroxine (FT4). Design & Patients. Cortisol was measured over 60 minutes following a standard ACTH stimulation test (n=80); FT4 was measured over time in two co...
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Main Authors: | Rochelle E. Tractenberg, Jacqueline Jonklaas, Steven J. Soldin |
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Format: | Article |
Language: | English |
Published: |
Wiley
2010-01-01
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Series: | International Journal of Analytical Chemistry |
Online Access: | http://dx.doi.org/10.1155/2010/234808 |
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