Name	Info	Provider	Link
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0091-6749(20)30032-4
Rheumatoid Arthritis	free resource	MedlinePlus Health Information	https://medlineplus.gov/rheumatoidarthritis.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=31945409.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31945409/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/31945409
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-CD4-2