Name	Info	Provider	Link
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0006-4971(20)52623-2
Stem Cells	free resource	MedlinePlus Health Information	https://medlineplus.gov/stemcells.html
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-TIMP1-2
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-1252
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:16684963
	subscription/membership/fee required	Silverchair Information Systems	https://ashpublications.org/blood/article-lookup/doi/10.1182/blood-2005-10-009514