Name	Info	Provider	Link
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/non-CPTAC-3432
Cited by Patents in	free resource	The Lens - Patent Citations Database	https://www.lens.org/lens/search/patent/list?q=reference_cited.nlp.ids.pmid:1463414
	subscription/membership/fee required	Silverchair Information Systems	https://jamanetwork.com/journals/jamaophthalmology/fullarticle/vol/110/pg/1733