| Name | Info | Provider | Link |
|---|---|---|---|
| Peptic Ulcer | free resource | MedlinePlus Health Information | https://medlineplus.gov/pepticulcer.html |
| subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=2702847.ui |