Name	Info	Provider	Link
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=21544519.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/21544519/
	subscription/membership/fee required	Springer	https://dx.doi.org/10.1007/s00431-011-1474-x
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/21544519
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-1178