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Fig. 2.

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Fig. 2.

Melatonin and cortisol profiles of two participants measured by LC-MS/MS assay and immunoassays.

Abbreviations: ECLIA, electrochemiluminescence immunoassay; LC-MS/MS, liquid chromatography-tandem mass spectrometry.

Ann Lab Med 2021;41:108~113 https://doi.org/10.3343/alm.2021.41.1.108

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