Name	Info	Provider	Link
	subscription/membership/fee required	Atypon	https://journals.asm.org/doi/10.1128/jvi.76.15.7528-7534.2002?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
HIV	free resource	MedlinePlus Health Information	https://medlineplus.gov/hiv.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/12097565/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/12097565
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-CD4-1