Name	Info	Provider	Link
	free resource	S. Karger AG, Basel, Switzerland	https://doi.org/10.1159/000119875
Autoimmune Diseases	free resource	MedlinePlus Health Information	https://medlineplus.gov/autoimmunediseases.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/18421238/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/18421238
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-CD4-2