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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Stability of steroid hormones in dried blood spots (DBS)
Olthof, A., Hillebrand, J. J., Wickenhagen, W. V., Boelen, A. & Heijboer, A. C., 17 Jun 2024, (E-pub ahead of print) In: Clinical chemistry and laboratory medicine.Research output: Contribution to journal › Article › Academic › peer-review
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A systematic review of subclinical hyperthyroidism guidelines: a remarkable range of recommendations
Ursem, S. R., Boelen, A., Bruinstroop, E., Elders, P. J. M., Gussekloo, J., Poortvliet, R. K. E., Heijboer, A. C. & den Elzen, W. P. J., 1 Jun 2024, In: European thyroid journal. 13, 3Research output: Contribution to journal › Review article › Academic › peer-review
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Should we depend on reference intervals from manufacturer package inserts? Comparing TSH and FT4 reference intervals from four manufacturers with results from modern indirect methods and the direct method
Dirks, N. F., den Elzen, W. P. J., Hillebrand, J. J., Jansen, H. I., Boekel, E. T., Brinkman, J., Buijs, M. M., Demir, A. Y., Dijkstra, I. M., Endenburg, S. C., Engbers, P., Gootjes, J., Janssen, M. J. W., Kniest-de Jong, W. H. A., Kok, M. B., Kamphuis, S., Kruit, A., Michielsen, E., Wolthuis, A., Boelen, A., & 1 others, 1 Jun 2024, In: Clinical chemistry and laboratory medicine. 62, 7, p. 1352-1361 10 p.Research output: Contribution to journal › Article › Academic › peer-review
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