Name	Info	Provider	Link
	free resource	American Society for Clinical Investigation	https://doi.org/10.1172/jci.insight.139287
HIV	free resource	MedlinePlus Health Information	https://medlineplus.gov/hiv.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/32544096/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/32544096
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-CD4-2
	free resource	Bio-protocol Exchange	https://bio-protocol.org/e1492