| RBA | relative binding affinity; rescue breathing apparatus; right basilar artery; right brachial artery; ... |
|---|---|
| RIRB | radioiodinated rose bengal |
| CLO | cod liver oil |
| CO | carbon monoxide; cardiac output; castor oil; casualty officer; centric occlusion; cervical orthosis;... |
| EPO | eosinophil peroxidase; erythropoiesis; erythropoietin; evening primrose-oil; exclusive provider orga... |