| RIFA | radioiodinated fatty acid |
|---|---|
| RIRB | radioiodinated rose bengal |
| RIT | radioimmune trypsin; radioiodinated triolein; radioiodine treatment; rosette inhibition titer |
| HSA | Hazardous Substances Act; Health Services Administration; health systems agency; hereditary siderobl... |
| AER | Albumin Excretion Rate |