Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/880246/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/880246
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-NT5E-1
	subscription/membership/fee required	Silverchair Information Systems	https://portlandpress.com/biochemj/article-lookup/doi/10.1042/bj1640415