Vit D
https://www.bmj.com/content/356/bmj.i6583
https://cks.nice.org.uk/vitamin-d-deficiency-in-adults-treatment-and-prevention#!scenario:1
Posted in futurism
Vit D
https://www.bmj.com/content/356/bmj.i6583
https://cks.nice.org.uk/vitamin-d-deficiency-in-adults-treatment-and-prevention#!scenario:1