Name	Info	Provider	Link
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	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-CD4-2
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/non-CPTAC-3340
	free resource	scite Smart Citations	https://scite.ai/reports/24651581
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/ibdjournal/article-lookup/doi/10.1097/MIB.0000000000000017