Table 1.
Strategy used for the combination of keywords (Medical Subject Headings terms) to obtain the literature used in this review.
| Medical Subject Headings Terms | And | Or | Not |
|---|---|---|---|
| Head and neck neoplasm | Therapeutics | ||
| Head and neck neoplasm | Immune Checkpoint Inhibitors | ||
| Head and neck neoplasm | Therapeutics | Immune Checkpoint Inhibitors | |
| Head and neck neoplasm | Immune Checkpoint Inhibitors | Cancer Vaccines, Oncolytic Viruses | |
| Head and neck neoplasm | Cancer Vaccines | Immune Checkpoint Inhibitors, Oncolytic Viruses | |
| Head and neck neoplasm | Oncolytic Viruses | Immune Checkpoint Inhibitors, Cancer Vaccines | |
| Head and neck neoplasm | Immune Checkpoint Inhibitors, Cancer Vaccines | Oncolytic Viruses | |
| Head and neck neoplasm | Immune Checkpoint Inhibitors, Oncolytic Viruses | Cancer Vaccines |