Niek F. Dirks

Effects of 1,25(OH)₂D₃and 25(OH)D₃on C2C12 Myoblast Proliferation, Differentiation, and Myotube Hypertrophy

K. van der Meijden, Nathalie Bravenboer, Niek F. Dirks et al. · Journal of Cellular Physiology · 2016 · 53 citations · Full text

Muscle Function, C2c12 Myoblast Proliferation, Cell Proliferation +17

Determination of human reference values for serum total 1,25-dihydroxyvitamin D using an extensively validated 2D ID-UPLC–MS/MS method

Niek F. Dirks, Frans Martens, Dirk Vanderschueren et al. · The Journal of Steroid Biochemistry and Molecular Biology · 2015 · 48 citations

Nutrient Bioavailability, Validated 2D, Micronutrients +11

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

Niek F. Dirks, Hubert W. Vesper, Antonius E. van Herwaarden et al. · Clinica Chimica Acta · 2016 · 40 citations · Full text

Engineering, Measurement, Measurement Standards (Educational Assessment) +16

A decrease in vitamin D levels is associated with methotrexate-induced oral mucositis in children with acute lymphoblastic leukemia

Natanja Oosterom, Niek F. Dirks, Sandra G. Heil et al. · Supportive Care in Cancer · 2018 · 32 citations · Full text

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

Vito Frančič, Stan R. Ursem, Niek F. Dirks et al. · Nutrients · 2019 · 25 citations · Full text