| Name | Info | Provider | Link |
|---|---|---|---|
| subscription/membership/fee required | HighWire | https://gut.bmj.com/lookup/pmidlookup?view=long&pmid=30580249 | |
| 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=30580249.ui |