Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=1027-3719&volume=15&issue=11&spage=1522&aulast=Nansera
HIV	free resource	MedlinePlus Health Information	https://medlineplus.gov/hiv.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22008767/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/22008767