Name	Info	Provider	Link
HIV and Infections	free resource	MedlinePlus Health Information	https://medlineplus.gov/hivandinfections.html
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:9114194
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/cid/article-lookup/doi/10.1093/clinids/24.3.422