| Name | Info | Provider | Link |
|---|---|---|---|
| subscription/membership/fee required | Ingenta plc | https://www.ingentaconnect.com/openurl?genre=article&issn=&volume=27&issue=4&spage=591&aulast=Schmidt | |
| Head and Neck Cancer | free resource | MedlinePlus Health Information | https://medlineplus.gov/headandneckcancer.html |
| subscription/membership/fee required | Spandidos Publications | https://www.spandidos-publications.com/ijmm/27/4/591 |