Name	Info	Provider	Link
	subscription/membership/fee required	Atypon	https:///www.science.org/doi/10.1126/science.1223264?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
Potassium	free resource	MedlinePlus Health Information	https://medlineplus.gov/potassium.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=22936773.ui
Full text from	free resource	CORE	https://core.ac.uk/reader/216163846?utm_source=linkout