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/29214793/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/29214793
	free resource	Yonsei University College of Medicine	https://www.eymj.org/DOIx.php?id=10.3349/ymj.2018.59.1.162
	free resource	scite Smart Citations	https://scite.ai/reports/29214793