Name	Info	Provider	Link
	free resource	BioMed Central	https://bmcmedgenet.biomedcentral.com/articles/10.1186/1471-2350-12-116
Rickets	free resource	MedlinePlus Health Information	https://medlineplus.gov/rickets.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/21902834/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/21902834
Full Text from	free resource	Universidad Autonoma de Madrid Biblos-e Archivo	http://hdl.handle.net/10486/662257