| Name | Info | Provider | Link |
|---|---|---|---|
| Esophageal Cancer | free resource | MedlinePlus Health Information | https://medlineplus.gov/esophagealcancer.html |
| subscription/membership/fee required | Wiley | https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=1120-8694&date=1999&volume=12&issue=4&spage=294 | |
| subscription/membership/fee required | Silverchair Information Systems | https://academic.oup.com/dote/article-lookup/doi/10.1046/j.1442-2050.1999.00029.x |