Name	Info	Provider	Link
Full text from AIR - Univ. Milan	free resource	Archivio Istituzionale della Ricerca Unimi	https://air.unimi.it/handle/2434/850647
Esophageal Cancer	free resource	MedlinePlus Health Information	https://medlineplus.gov/esophagealcancer.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33026474/
	subscription/membership/fee required	Springer	https://link.springer.com/article/10.1007/s00268-020-05789-4
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/33026474
	subscription/membership/fee required	Wiley	https://onlinelibrary.wiley.com/doi/10.1007/s00268-020-05789-4