Name	Info	Provider	Link
	free resource	Baishideng Publishing Group Inc.	https://www.wjgnet.com/1007-9327/full/v23/i32/5986.htm
Colonoscopy	free resource	MedlinePlus Health Information	https://medlineplus.gov/colonoscopy.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/28932091/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/28932091
	free resource	scite Smart Citations	https://scite.ai/reports/28932091