| OLB | olfactory bulb; open liver biopsy; open lung biopsy |
|---|---|
| olf | olfactory |
| OLFR | olfactory receptor |
| OMP | olfactory marker protein; ornithine monophosphate; outer membrane protein |
| ORS | olfactory reference syndrome; oral rehydration solution; oral surgery, oral surgeon; Orthopaedic Res... |