| MDS | Master of Dental Surgery; maternal deprivation syndrome; medical data screening; medical data system... |
|---|---|
| MPS | meconium plug syndrome; medial premotor system; Member of the Pharmaceutical Society; microbial prof... |
| OHS | Open Heart Surgery |
| OR | 1) Operating Room; 수술실 2) Open Reduction |
| O/R | Open Reduction |