Name	Info	Provider	Link
	subscription/membership/fee required	S. Karger AG, Basel, Switzerland	https://doi.org/10.1159/000317908
Macular Degeneration	free resource	MedlinePlus Health Information	https://medlineplus.gov/maculardegeneration.html
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:20881442