Name	Info	Provider	Link
Potassium	free resource	MedlinePlus Health Information	https://medlineplus.gov/potassium.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/1324059/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/1324059
	free resource	Wiley	https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0007-1188&date=1992&volume=105&issue=4&spage=973