Name	Info	Provider	Link
Vitamin D Deficiency	free resource	MedlinePlus Health Information	https://medlineplus.gov/vitaminddeficiency.html
	free resource	Nature Publishing Group	https://doi.org/10.1038/s41598-018-19589-3
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/29343733/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/29343733
	free resource	scite Smart Citations	https://scite.ai/reports/29343733