![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
![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
![Low vitamin D levels and increased neutrophil in patients admitted at ICU with COVID-19 - Clinical Nutrition ESPEN Low vitamin D levels and increased neutrophil in patients admitted at ICU with COVID-19 - Clinical Nutrition ESPEN](https://clinicalnutritionespen.com/cms/asset/6ffa5c47-4de0-4d82-978b-95e2f3a9e7cf/gr1.jpg)
Low vitamin D levels and increased neutrophil in patients admitted at ICU with COVID-19 - Clinical Nutrition ESPEN
![The relationships between Vit D intake and sun exposure time in panel... | Download Scientific Diagram The relationships between Vit D intake and sun exposure time in panel... | Download Scientific Diagram](https://www.researchgate.net/publication/359086176/figure/fig5/AS:1131355408740359@1646747557540/The-relationships-between-Vit-D-intake-and-sun-exposure-time-in-panel-A-BMI-30_Q320.jpg)
The relationships between Vit D intake and sun exposure time in panel... | Download Scientific Diagram
![Effects of Vitamin D supplementation on serum 25(OH)D concentrations.... | Download Scientific Diagram Effects of Vitamin D supplementation on serum 25(OH)D concentrations.... | Download Scientific Diagram](https://www.researchgate.net/publication/266625207/figure/fig3/AS:295666384424962@1447503767240/Effects-of-Vitamin-D-supplementation-on-serum-25OHD-concentrations-Values-increased-by.png)