| ORS | olfactory reference syndrome; oral rehydration solution; oral surgery, oral surgeon; Orthopaedic Res... |
|---|---|
| Flu, Flue | inFluenzae; 감기 |
| FLU | 5-fluorouracil; flunitrazepam; fluphenazine; flutamide |
| flu | influenza |
| OCP | octacalcium phosphate; ocular cicatricial pemphigoid; oral case presentation; oral contraceptive pil... |