| ERA | electrical response activity; electroencephalic response audiometry; Electroshock Research Associati... |
|---|---|
| RR | radiation reaction; radiation response; rate ratio; rational recovery [group]; recovery room; relati... |
| CER | Conditioned Emotional Response; 조건화 감정 반응 |
| CAR | Canadian Association of Radiologists; cancer-associated retinopathy; cardiac ambulation routine; cel... |
| CES | carboxylesterase; cauda equina syndrome; cat's eye syndrome; central excitatory state; chronic elect... |