Name	Info	Provider	Link
	free resource	LANL HIV Databases	https://www.hiv.lanl.gov/components/sequence/HIV/search/d_search.comp?pub_pubmedentry=21439074
HIV Medicines	free resource	MedlinePlus Health Information	https://medlineplus.gov/hivmedicines.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/21439074/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/21439074
	subscription/membership/fee required	Wiley	https://doi.org/10.1186/1758-2652-14-14
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-CD4-2
	free resource	Stanford HIV Drug Resistance Database	https://hivdb.stanford.edu/cgi-bin/Reference.cgi?linkout=PubMed&PubMedID=21439074