| GOND | glaucomatous optic nerve damage |
|---|---|
| ON | occipitonuchal; office nurse; onlay; optic nerve; orthopedic nurse; osteonecrosis; osteonectin; over... |
| ONG | optic nerve glioma |
| CSN | cardiac sympathetic nerve; carotid sinus nerve |
| NE | national emergency; necrotic enteritis; necrotizing enterocolitis; nephropathia epidemica; nerve end... |