| RBE | Relative Biological Effectiveness |
|---|---|
| QF | quality factor; query fever; quick freeze; relative biological effectiveness |
| RBE | relative biological effectiveness |
| RF | radial fiber; radio frequency; receptive field; regurgitant fraction; Reitland-Franklin [unit]; rela... |
| RR | radiation reaction; radiation response; rate ratio; rational recovery [group]; recovery room; relati... |