Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S1542-3565(17)31454-4
Gastrointestinal Bleeding	free resource	MedlinePlus Health Information	https://medlineplus.gov/gastrointestinalbleeding.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=29246699.ui
	subscription/membership/fee required	ClinicalKey	https://www.clinicalkey.com/content/playBy/pii?v=S1542-3565(17)31454-4
	free resource	scite Smart Citations	https://scite.ai/reports/29246699