| RBA | relative binding affinity; rescue breathing apparatus; right basilar artery; right brachial artery; ... |
|---|---|
| RIRB | radioiodinated rose bengal |
| RAI | radioactive iodine; radioactive isotope; resident assessment instrument; resting ankle index; right ... |
| PAT | Pain Apperception Test; paroxysmal atrial tachycardia; patient; phenylaminotetrazole; physical abili... |
| CAT | California Achievement Test; capillary agglutination test; catalase; cataract; catecholamine; Childr... |