Name	Info	Provider	Link
Esophagus Disorders	free resource	MedlinePlus Health Information	https://medlineplus.gov/esophagusdisorders.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24758713/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/24758713
	subscription/membership/fee required	Wiley	https://doi.org/10.1111/dote.12223
	free resource	scite Smart Citations	https://scite.ai/reports/24758713
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/dote/article-lookup/doi/10.1111/dote.12223