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Standardization of Misleading Immunoassay Based 25-Hydroxyvitamin D Levels with Liquid Chromatography Tandem-Mass Spectrometry in a Large Cohort Study
- Ben Schöttker,
- Eugène H. J. M. Jansen,
- Ulrike Haug,
- Lutz Schomburg,
- Josef Köhrle,
- Hermann Brenner
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- Published: November 1, 2012
- https://doi.org/10.1371/journal.pone.0048774