Name	Info	Provider	Link
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=31774457.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31774457/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/31774457
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-68
	subscription/membership/fee required	Silverchair Information Systems	https://jamanetwork.com/journals/jamaophthalmology/fullarticle/10.1001/jamaophthalmol.2019.4815