Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/9514265/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/9514265
	free resource	Wiley	https://onlinelibrary.wiley.com/doi/10.1002/pro.5560070111
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-CD40-4