Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/0304-4165(91)90053-J
Blood Thinners	free resource	MedlinePlus Health Information	https://medlineplus.gov/bloodthinners.html
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-177
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:2043664