Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0006291X04006242
	free resource	GlyGen glycoinformatics resource	https://glygen.org/publication/PubMed/15081423/
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/non-CPTAC-3568
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:15081423