Name	Info	Provider	Link
Potassium	free resource	MedlinePlus Health Information	https://medlineplus.gov/potassium.html
	subscription/membership/fee required	Wiley	https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0275-6382&date=2003&volume=32&issue=3&spage=140