| PND | paroxysmal nocturnal dyspnea; partial neck dissection; postnasal drainage; postnasal drip; postnatal... |
|---|---|
| RND | radical neck dissection; radionuclide dacryography; reactive neurotic depression |
| SCCHN | squamous cell carcinoma of the head and neck |
| STNR | symmetric tonic neck reflex |
| TNR | tonic neck reflex; true negative rate |