| Name | Info | Provider | Link |
|---|---|---|---|
| GERD | free resource | MedlinePlus Health Information | https://medlineplus.gov/gerd.html |
| subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=11434608.ui | |
| subscription/membership/fee required | Wolters Kluwer | https://doi.org/10.1097/00042737-200106000-00025 |