Name	Info	Provider	Link
Minerals	free resource	MedlinePlus Health Information	https://medlineplus.gov/minerals.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=18507881.ui
	subscription/membership/fee required	Cambridge University Press	https://www.cambridge.org/core/product/identifier/S0007114508959213/type/journal_article
Full text from	free resource	CORE	https://core.ac.uk/reader/9663001?utm_source=linkout
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:18507881