| RPE | rate of perceived exertion; recurrent pulmonary embolism; retinal pigment epithelium; ribulose 5-pho... |
|---|---|
| RR | radiation reaction; radiation response; rate ratio; rational recovery [group]; recovery room; relati... |
| CRV | central retinal vein |
|---|---|
| + rd | retinal degeneration |
| RRD | rhegmatogenous retinal detachment |