Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0003-4975(00)01915-9
Carcinoma, Squamous Cell	free resource	Genetic Alliance	https://www.diseaseinfosearch.org/result/1077
Esophageal Cancer	free resource	MedlinePlus Health Information	https://medlineplus.gov/esophagealcancer.html