Name	Info	Provider	Link
HIV	free resource	MedlinePlus Health Information	https://medlineplus.gov/hiv.html
	subscription/membership/fee required	Georg Thieme Verlag Stuttgart, New York	https://www.thieme-connect.com/DOI/DOI?10.1055/s-2008-1047783
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-CD4-2
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/non-CPTAC-1105