Name	Info	Provider	Link
Iron	free resource	MedlinePlus Health Information	https://medlineplus.gov/iron.html
	subscription/membership/fee required	Nature Publishing Group	https://doi.org/10.1038/ismej.2013.64
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23619304/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/23619304
	free resource	scite Smart Citations	https://scite.ai/reports/23619304
	free resource	Silverchair Information Systems	https://academic.oup.com/ismej/article-lookup/doi/10.1038/ismej.2013.64