| Name | Info | Provider | Link |
|---|---|---|---|
| subscription/membership/fee required | Elsevier Science | https://linkinghub.elsevier.com/retrieve/pii/S0899-7071(23)00206-1 | |
| Bile Duct Cancer | free resource | MedlinePlus Health Information | https://medlineplus.gov/bileductcancer.html |