| Name | Info | Provider | Link |
|---|---|---|---|
| subscription/membership/fee required | Australasian Medical Publishing Company | https://www.mja.com.au/public/issues/191_06_210909/sta11176_fm.html | |
| Esophageal Cancer | free resource | MedlinePlus Health Information | https://medlineplus.gov/esophagealcancer.html |
| subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=19769552.ui | |
| subscription/membership/fee required | Wiley | https://doi.org/10.5694/j.1326-5377.2009.tb02813.x |