Name Info Provider Link
Vitamin D free resource MedlinePlus Health Information https://medlineplus.gov/vitamind.html
subscription/membership/fee required Nature Publishing Group https://doi.org/10.1038/s41416-024-02643-5
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/38480934/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/38480934