| ORS | olfactory reference syndrome; oral rehydration solution; oral surgery, oral surgeon; Orthopaedic Res... |
|---|---|
| COLD | A cold agglutinin titer |
| ACU | acquired cold urticaria; acute care unit; agar colony-forming unit; ambulatory care unit |
| CCC | care-cure coordination; cathodal closure contraction; chronic calculous cholecystitis; chronic catar... |
| PCA | para-chloramphetamine; parietal cell antibody; passive cutaneous anaphylaxis; patient care assistant... |