Name	Info	Provider	Link
	free resource	Mouse Genome Informatics (MGI)	http://www.informatics.jax.org/reference/9463412
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=9463412.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/9463412/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/9463412
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-CD4-1
	subscription/membership/fee required	Silverchair Information Systems	https://rupress.org/jem/article-lookup/doi/10.1084/jem.187.4.619