| OR | 1) Operating Room; 수술실 2) Open Reduction |
|---|---|
| AORN | Association of Operating Room Nurses |
| COO | chief operating officer; cost of ownership [analysis] |
| DOS | day of surgery; deoxystreptamine; disk operating system; Doctor of Ocular Science; Doctor of Optical... |
| EOR | European Organization for Research; exclusive operating room |