Name	Info	Provider	Link
Gastrointestinal Bleeding	free resource	MedlinePlus Health Information	https://medlineplus.gov/gastrointestinalbleeding.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/29938456/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/29938456
	free resource	Inforang	http://www.gutnliver.org/journal/view.html?doi=10.5009/gnl17515
	free resource	scite Smart Citations	https://scite.ai/reports/29938456