Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34589290/
	subscription/membership/fee required	Taylor & Francis	https://www.tandfonline.com/doi/full/10.1080/2162402X.2021.1943234
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34589290
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-CD40-4