Name	Info	Provider	Link
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0735-1097(06)01958-9
Stem Cells	free resource	MedlinePlus Health Information	https://medlineplus.gov/stemcells.html
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-466
Cited by Patents in	free resource	The Lens - Patent Citations Database	https://www.lens.org/lens/search/patent/list?q=reference_cited.nlp.ids.pmid:17045891