The When, What & How of Measuring Vitamin D Metabolism in Clinical Medicine

od Dirks, Niek F., Ackermans, Mariëtte T., Lips, Paul, de Jongh, Renate T., Vervloet, Marc G., de Jonge, Robert, Heijboer, Annemieke C.
Izdano u Nutrients (2018)

Various calibration procedures result in optimal standardization of routinely used 25(OH)D ID-LC-MS/MS methods

od Dirks, Niek F., Vesper, Hubert W., van Herwaarden, Antonius E., van den Ouweland, Jody M.W., Kema, Ido P., Krabbe, Johannes G., Heijboer, Annemieke C.
Izdano u Clin Chim Acta (2016)

The Effect of Vitamin D Supplementation on its Metabolism and the Vitamin D Metabolite Ratio

od Francic, Vito, Ursem, Stan R., Dirks, Niek F., Keppel, Martin H., Theiler-Schwetz, Verena, Trummer, Christian, Pandis, Marlene, Borzan, Valentin, Grübler, Martin R., Verheyen, Nicolas D., März, Winfried, Tomaschitz, Andreas, Pilz, Stefan, Heijboer, Annemieke C., Obermayer-Pietsch, Barbara
Izdano u Nutrients (2019)