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IFCC international conventional reference procedure for the measurement of free thyroxine in serum
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Standardization activities in the field of thyroid function tests: a status report
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Report of the IFCC working group for standardization of thyroid function tests: part 1: thyroid-stimulating hormone
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Standardization of insulin and C-peptide - A status report
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FT4 immunoassays may display a pattern during pregnancy similar to the equilibrium dialysis ID-LC/tandem MS candidate reference measurement procedure in spite of susceptibility towards binding protein alterations
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Report of the IFCC working group for standardization of thyroid function tests: part 3: total thyroxine and total triiodothyronine
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Report of the IFCC working group for standardization of thyroid function tests: part 2: free thyroxine and free triiodothyronine
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Toward standardization of insulin immunoassays
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State-of-the-art of serum testosterone measurement by isotope dilution-liquid chromatography-tandem mass spectrometry
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Comparison of a routine LC-MS/MS assay for testosterone against an isotope dilution GCMS reference method