How low can we (reliably) go? A method comparison of thyroid-stimulating hormone assays with a focus on low concentrations

por Ursem, Stan R, Boelen, Anita, Hillebrand, Jacquelien J, den Elzen, Wendy P J, Heijboer, Annemieke C
Publicado 2023

Localization of fibroblast growth factor 23 protein in the rat hypothalamus

por Ursem, Stan R., Diepenbroek, Charlene, Bacic, Vesna, Unmehopa, Unga A., Eggels, Leslie, Maya‐Monteiro, Clarissa M., Heijboer, Annemieke C., la Fleur, Susanne E.
Publicado 2021

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

por 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
Publicado 2019