Name	Info	Provider	Link
	free resource	BioMed Central	https://bmcinfectdis.biomedcentral.com/articles/10.1186/1471-2334-10-267
HIV	free resource	MedlinePlus Health Information	https://medlineplus.gov/hiv.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/20840743/
Full Text at the institutional repository	free resource	Andalusian Health Repository	http://hdl.handle.net/10668/1791
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/20840743