| OMPA | octamethyl pyrophosphoramide; otitis media, purulent, acute |
|---|---|
| OMPC, OMPCh | otitis media, purulent, chronic |
| OMSA | otitis media, suppurative, acute |
| OMSC | otitis media secretory (or suppurative) chronic |
| STANDOUT | soft thresholding and depth cueing of unspecified techniques |