| Name | Info | Provider | Link |
|---|---|---|---|
| Esophagus Disorders | free resource | MedlinePlus Health Information | https://medlineplus.gov/esophagusdisorders.html |
| subscription/membership/fee required | Silverchair Information Systems | https://academic.oup.com/mmy/article-lookup/doi/10.1080/mmy.39.3.261.268 |