Name	Info	Provider	Link
	free resource	BioMed Central	https://bmcinfectdis.biomedcentral.com/articles/10.1186/s12879-021-06346-7
HIV	free resource	MedlinePlus Health Information	https://medlineplus.gov/hiv.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34233649/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34233649
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-CD4-2