![Chemical structures of vitamin D-2, vitamin D-3, 25-hydroxyvitamin D-2,... | Download Scientific Diagram Chemical structures of vitamin D-2, vitamin D-3, 25-hydroxyvitamin D-2,... | Download Scientific Diagram](https://www.researchgate.net/publication/236121729/figure/fig1/AS:393346230046724@1470792457224/Chemical-structures-of-vitamin-D-2-vitamin-D-3-25-hydroxyvitamin-D-2-and.png)
Chemical structures of vitamin D-2, vitamin D-3, 25-hydroxyvitamin D-2,... | Download Scientific Diagram
![Using gas chromatography and mass spectrometry to determine 25-hydroxyvitamin D levels for clinical assessment of vitamin D deficiency - ScienceDirect Using gas chromatography and mass spectrometry to determine 25-hydroxyvitamin D levels for clinical assessment of vitamin D deficiency - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S1021949818301844-fx1.jpg)
Using gas chromatography and mass spectrometry to determine 25-hydroxyvitamin D levels for clinical assessment of vitamin D deficiency - ScienceDirect
![Opposite correlation of 25-hydroxy-vitamin D- and 1,25-dihydroxy-vitamin D-metabolites with gestational age, bone- and lipid-biomarkers in pregnant women | Scientific Reports Opposite correlation of 25-hydroxy-vitamin D- and 1,25-dihydroxy-vitamin D-metabolites with gestational age, bone- and lipid-biomarkers in pregnant women | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41598-021-81452-9/MediaObjects/41598_2021_81452_Fig1_HTML.png)
Opposite correlation of 25-hydroxy-vitamin D- and 1,25-dihydroxy-vitamin D-metabolites with gestational age, bone- and lipid-biomarkers in pregnant women | Scientific Reports
![Vitamin D metabolism: Abbreviations: 25(OH)D: 25-hydroxyvitamin D, DBP:... | Download Scientific Diagram Vitamin D metabolism: Abbreviations: 25(OH)D: 25-hydroxyvitamin D, DBP:... | Download Scientific Diagram](https://www.researchgate.net/publication/312519593/figure/fig2/AS:667884632158224@1536247513961/Vitamin-D-metabolism-Abbreviations-25OHD-25-hydroxyvitamin-D-DBP-Vitamin-D-binding.jpg)
Vitamin D metabolism: Abbreviations: 25(OH)D: 25-hydroxyvitamin D, DBP:... | Download Scientific Diagram
A comparison of analytical methods for measuring concentrations of 25-hydroxy vitamin D in biological samples - Analytical Methods (RSC Publishing)
![Standardized measurement of circulating vitamin D [25(OH)D] and its putative role as a serum biomarker in Alzheimer's disease and Parkinson's disease - ScienceDirect Standardized measurement of circulating vitamin D [25(OH)D] and its putative role as a serum biomarker in Alzheimer's disease and Parkinson's disease - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0009898119319722-gr1.jpg)
Standardized measurement of circulating vitamin D [25(OH)D] and its putative role as a serum biomarker in Alzheimer's disease and Parkinson's disease - ScienceDirect
![319 Freies Vitamin D - Verbesserte Diagnostik der Vitamin D-Versorgung - IMD Institut für medizinische Diagnostik, Labor 319 Freies Vitamin D - Verbesserte Diagnostik der Vitamin D-Versorgung - IMD Institut für medizinische Diagnostik, Labor](https://www.imd-berlin.de/fileadmin/_processed_/3/a/csm_319_Abb1_2_f6513e0897.png)
319 Freies Vitamin D - Verbesserte Diagnostik der Vitamin D-Versorgung - IMD Institut für medizinische Diagnostik, Labor
![Metabolism of 25-hydroxyvitamin D [25(OH)D] to 1,25 dihydroxyvitamin D... | Download Scientific Diagram Metabolism of 25-hydroxyvitamin D [25(OH)D] to 1,25 dihydroxyvitamin D... | Download Scientific Diagram](https://www.researchgate.net/publication/276330858/figure/fig2/AS:391959169519618@1470461756789/Metabolism-of-25-hydroxyvitamin-D-25OHD-to-1-25-dihydroxyvitamin-D-1-25OH2D-for.png)