Name	Info	Provider	Link
Full text from AIR - Univ. Milan	free resource	Archivio Istituzionale della Ricerca Unimi	https://air.unimi.it/handle/2434/898604
Free full text from BORIS	free resource	Bern Open Repository and Information System	https://boris.unibe.ch/id/eprint/144406
HIV	free resource	MedlinePlus Health Information	https://medlineplus.gov/hiv.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=32448894.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/32448894/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/32448894
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-CD4-1
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/cid/article-lookup/doi/10.1093/cid/ciaa615