Name	Info	Provider	Link
	subscription/membership/fee required	Atypon	https://guilfordjournals.com/doi/10.1521/aeap.2018.30.6.449
HIV	free resource	MedlinePlus Health Information	https://medlineplus.gov/hiv.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30966769/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/30966769