| ORS | olfactory reference syndrome; oral rehydration solution; oral surgery, oral surgeon; Orthopaedic Res... |
|---|---|
| R-C sign(spot) | Red Cherry sign(spot) |
| CCU | cardiac care unit; Cherry-Crandall unit; coronary care unit; critical care unit |
| CRSM | cherry red spot myoclonus |
| OCP | octacalcium phosphate; ocular cicatricial pemphigoid; oral case presentation; oral contraceptive pil... |