| Name | Info | Provider | Link |
|---|---|---|---|
| subscription/membership/fee required | Elsevier Science | https://linkinghub.elsevier.com/retrieve/pii/S0360-3016(07)03702-9 | |
| Head and Neck Cancer | free resource | MedlinePlus Health Information | https://medlineplus.gov/headandneckcancer.html |