| OB-GYN | obstetrics-gynecology |
|---|---|
| Ob/Gyn | Obstetrics and Gynaecology |
| OBCAM | Opioid-binding cell adhesion molecule |
| OBF | Ocular Blood Flow |
| OBLA | of Blood Lactate Accumulation |
| OBP | Odorant binding protein |
| OBP | Office blood pressure |
| OBP | origin binding protein |
| OBRA | Omnibus Budget Reconciliation Act |
| OBRA '87 | Omnibus Budget Reconciliation Act of 1987 |