| RR | radiation reaction; radiation response; rate ratio; rational recovery [group]; recovery room; relati... |
|---|---|
| RO | radiation oncology; radiation output; ratio of; relative odds; renal osteodystrophy; reverse osmosis... |
| RBE | Relative Biological Effectiveness |
| QF | quality factor; query fever; quick freeze; relative biological effectiveness |
| RBE | relative biological effectiveness |