| RR | radiation reaction; radiation response; rate ratio; rational recovery [group]; recovery room; relati... |
|---|---|
| LASER | Light Amplication by Stimulated Emission of Radiation |
| rad | radiation absorbed dose |
| REM | 1) Rapid Eye Movement; 급속 안구 운동 2) Radiation Equivalent to Man |
| ALARA | as low as reasonably achievable [radiation exposure] |