| Name | Info | Provider | Link |
|---|---|---|---|
| Oral Cancer | free resource | MedlinePlus Health Information | https://medlineplus.gov/oralcancer.html |
| free resource | PubMed Central | https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/32306018/ | |
| free resource | Europe PubMed Central | https://europepmc.org/abstract/MED/32306018 | |
| free resource | Journal of Peking University (Health Sciences) | http://xuebao.bjmu.edu.cn/EN/Y2020/V52/I2/323 |