Name	Info	Provider	Link
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/0016-5085(90)91168-6
Gastrointestinal Bleeding	free resource	MedlinePlus Health Information	https://medlineplus.gov/gastrointestinalbleeding.html
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-76