Name	Info	Provider	Link
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=25919495.ui
	subscription/membership/fee required	Wiley	https://doi.org/10.1002/ejp.657
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-PTGS2-1
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-2786