Name	Info	Provider	Link
	subscription/membership/fee required	Nature Publishing Group	https://doi.org/10.1038/nature14317
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=25731166.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/25731166/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/25731166
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-IDO1-3
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-68
	free resource	scite Smart Citations	https://scite.ai/reports/25731166