![PDF] Vitamin D Deficiency, Metabolism and Routine Measurement of its Metabolites [25(OH)D2 and 25(OH)D3] | Semantic Scholar PDF] Vitamin D Deficiency, Metabolism and Routine Measurement of its Metabolites [25(OH)D2 and 25(OH)D3] | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/3b365b09faa3ca5da1a3c8a48a723f5770114c13/3-Figure1-1.png)
PDF] Vitamin D Deficiency, Metabolism and Routine Measurement of its Metabolites [25(OH)D2 and 25(OH)D3] | Semantic Scholar
![Vitamin D deficiency test -- Everything you wanted to know about this blood test | TheHealthSite.com Vitamin D deficiency test -- Everything you wanted to know about this blood test | TheHealthSite.com](https://st1.thehealthsite.com/wp-content/uploads/2017/05/vitamin-D.jpg)
Vitamin D deficiency test -- Everything you wanted to know about this blood test | TheHealthSite.com
![Vitamin D (25OH) (Free) ELISA, KARF1991 (RUO) | Human Vitamin D Free Enzyme-linked Immune-sorbent Assay Kit IBL-America Vitamin D (25OH) (Free) ELISA, KARF1991 (RUO) | Human Vitamin D Free Enzyme-linked Immune-sorbent Assay Kit IBL-America](https://cdn11.bigcommerce.com/s-dpaty9ionu/images/stencil/1280x1280/products/5860/14179/Bone_Metabolism_RIA_Assays__15499.1661961325.jpg?c=2)
Vitamin D (25OH) (Free) ELISA, KARF1991 (RUO) | Human Vitamin D Free Enzyme-linked Immune-sorbent Assay Kit IBL-America
![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
![Prevalence and Associations of 25-Hydroxyvitamin D Deficiency in US Children: NHANES 2001-2004 - pdf of published report attached Prevalence and Associations of 25-Hydroxyvitamin D Deficiency in US Children: NHANES 2001-2004 - pdf of published report attached](https://www.natap.org/2009/images/081209/image006.gif)
Prevalence and Associations of 25-Hydroxyvitamin D Deficiency in US Children: NHANES 2001-2004 - pdf of published report attached
![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/2018/06/07/19/04/vitamind_fig1_lg.jpg)