Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S1873-9946(11)00215-7
	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/CPTAC-327
NBRP resources	free resource	National BioResource Project	https://rrc.nbrp.jp/references/list?pubmed=22325176
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/ecco-jcc/article-lookup/doi/10.1016/j.crohns.2011.08.011