Name	Info	Provider	Link
Potassium	free resource	MedlinePlus Health Information	https://medlineplus.gov/potassium.html
	subscription/membership/fee required	Springer	https://dx.doi.org/10.1007/s00425-019-03253-9
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-1554