| OG | obstetrics and gynecology; occlusogingival; oligodendrocyte; optic ganglion; orange green; orogastri... |
|---|---|
| O&G | obstetrics and gynecology |
| SGO | Surgeon General's Office; surgery, gynecology, and obstetrics |
| OBGY | Obstetrics and gynecology |
| CIE | Counter(current) Immuno-Electrophoresis; 역면역 전기 영동법 |