![Sulfation of vitamin D3‐related compounds—identification and characterization of the responsible human cytosolic sulfotransferases - Kurogi - 2017 - FEBS Letters - Wiley Online Library Sulfation of vitamin D3‐related compounds—identification and characterization of the responsible human cytosolic sulfotransferases - Kurogi - 2017 - FEBS Letters - Wiley Online Library](https://febs.onlinelibrary.wiley.com/cms/asset/f6f00853-7af5-4530-9173-b44fd2ef4e5c/feb212767-fig-0003-m.jpg)
Sulfation of vitamin D3‐related compounds—identification and characterization of the responsible human cytosolic sulfotransferases - Kurogi - 2017 - FEBS Letters - Wiley Online Library
![Ratio of 25(OH)D-to-24,25(OH)2D: A new test to confirm 24-hydroxylase (CYP24A1) deficiency as the cause of hypercalcemia - Mayo Clinic Ratio of 25(OH)D-to-24,25(OH)2D: A new test to confirm 24-hydroxylase (CYP24A1) deficiency as the cause of hypercalcemia - Mayo Clinic](https://www.mayoclinic.org/-/media/kcms/gbs/medical-professionals/images/2018/07/23/16/43/vitamind_fig1_767px.jpg)
Ratio of 25(OH)D-to-24,25(OH)2D: A new test to confirm 24-hydroxylase (CYP24A1) deficiency as the cause of hypercalcemia - Mayo Clinic
![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
![Vitamin D deficiency is associated with mortality in the medical intensive care unit | Critical Care | Full Text Vitamin D deficiency is associated with mortality in the medical intensive care unit | Critical Care | Full Text](https://media.springernature.com/lw685/springer-static/image/art%3A10.1186%2Fcc10585/MediaObjects/13054_2011_Article_9838_Fig4_HTML.jpg)
Vitamin D deficiency is associated with mortality in the medical intensive care unit | Critical Care | Full Text
![25-Hydroxyvitamin D Testing and Supplementation in CKD: An NKF-KDOQI Controversies Report - ScienceDirect 25-Hydroxyvitamin D Testing and Supplementation in CKD: An NKF-KDOQI Controversies Report - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0272638614009664-gr1.jpg)
25-Hydroxyvitamin D Testing and Supplementation in CKD: An NKF-KDOQI Controversies Report - ScienceDirect
![25-Hydroxyvitamin D reference percentiles and the role of their determinants among European children and adolescents | European Journal of Clinical Nutrition 25-Hydroxyvitamin D reference percentiles and the role of their determinants among European children and adolescents | European Journal of Clinical Nutrition](https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fs41430-021-00985-4/MediaObjects/41430_2021_985_Fig1_HTML.png)
25-Hydroxyvitamin D reference percentiles and the role of their determinants among European children and adolescents | European Journal of Clinical Nutrition
![Vitamin D metabolism and tissue actions (10) 25 (OH) D = 25-hydroxy... | Download Scientific Diagram Vitamin D metabolism and tissue actions (10) 25 (OH) D = 25-hydroxy... | Download Scientific Diagram](https://www.researchgate.net/publication/342318204/figure/fig12/AS:904242923581462@1592599721803/Figure-1-1-Vitamin-D-metabolism-and-tissue-actions-10-25-OH-D-25-hydroxy-vitamin.png)
Vitamin D metabolism and tissue actions (10) 25 (OH) D = 25-hydroxy... | Download Scientific Diagram
![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)