PI
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Comparison of 7 Published LC-MS/MS Methods for the Simultaneous Measurement of Testosterone, Androstenedione, and Dehydroepiandrosterone in Serum
Büttler, R. M., Martens, F., Fanelli, F., Pham, H. T., Kushnir, M. M., Janssen, M. J. W., Owen, L., Taylor, A. E., Soeborg, T., Blankenstein, M. A. & Heijboer, A. C., 2015, In: Clinical Chemistry. 61, 12, p. 1475-1483Research output: Contribution to journal › Article › Academic › peer-review
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Determination of human reference values for serum total 1,25-dihydroxyvitamin D using an extensively validated 2D ID-UPLC-MS/MS method
Dirks, N. F., Martens, F., Vanderschueren, D., Billen, J., Pauwels, S., Ackermans, M. T., Endert, E., den Heijer, M., Blankenstein, M. A. & Heijboer, A. C., Nov 2016, In: Journal of Steroid Biochemistry and Molecular Biology. 164, p. 127-133Research output: Contribution to journal › Article › Academic › peer-review
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Accuracy of 6 Routine 25-Hydroxyvitamin D Assays: Influence of Vitamin D Binding Protein Concentration
Heijboer, A. C., Blankenstein, M. A., Kema, I. P. & Buijs, M. M., 2012, In: Clinical Chemistry. 58, 3, p. 543-548Research output: Contribution to journal › Article › Academic › peer-review
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Falsely elevated cortisol serum levels in preterm infants due to use of immunoassay
Romijn, M., van de Weijer, K. N. G., Onland, W., Rotteveel, J., van Kaam, A. H., Heijboer, A. C. & Finken, M. J. J., 1 Sept 2023, In: Clinical chemistry and laboratory medicine. 61, 10, p. E206-E209Research output: Contribution to journal › Letter › Academic › peer-review
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Analytical performance specifications for the measurement uncertainty of 24,25-dihydroxyvitamin D examinations
IFCC-IOF Committee for Bone Metabolism, 1 Aug 2023, In: Clinical chemistry and laboratory medicine. 61, 9, p. 1561-1566 6 p.Research output: Contribution to journal › Article › Academic › peer-review
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Description and validation of an equilibrium dialysis ID-LC-MS/MS candidate reference measurement procedure for free thyroxine in human serum
Jansen, H. I., van der Steen, R., Brandt, A., Olthaar, A. J., Vesper, H. W., Shimizu, E., Heijboer, A. C., van Uytfanghe, K. & van Herwaarden, A. E., 1 Aug 2023, In: Clinical chemistry and laboratory medicine. 61, 9, p. 1605-1611 7 p.Research output: Contribution to journal › Article › Academic › peer-review
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