| Name | Info | Provider | Link |
|---|---|---|---|
| subscription/membership/fee required | Ingenta plc | https://www.ingentaconnect.com/openurl?genre=article&issn=&volume=74&issue=5&spage=651&aulast=Thomson | |
| Colonoscopy | free resource | MedlinePlus Health Information | https://medlineplus.gov/colonoscopy.html |
| subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=35192574.ui | |
| subscription/membership/fee required | Wiley | https://onlinelibrary.wiley.com/doi/10.1097/MPG.0000000000003421 | |
| subscription/membership/fee required | Wolters Kluwer | https://doi.org/10.1097/MPG.0000000000003421 |