Name	Info	Provider	Link
Tears	free resource	MedlinePlus Health Information	https://medlineplus.gov/tears.html
	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
	free resource	Sheridan PubFactory	https://avmajournals.avma.org/doi/10.2460/ajvr.2003.64.1081