Name	Info	Provider	Link
Arsenic	free resource	MedlinePlus Health Information	https://medlineplus.gov/arsenic.html
	subscription/membership/fee required	Springer	https://dx.doi.org/10.1007/s12011-022-03430-0
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-SERPINA1-1
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-651