| BVR | baboon virus replication |
|---|---|
| RCR | relative consumption rate; replication-competent retrovirus; respiratory control ratio |
| REP | replication protein; rest-exercise program; retrograde pyelogram; roentgen equivalent-physical |
| rep | let it be repeated [Lat. repetatur]; replication; roentgen equivalent-physical |
| REPA | replication protein A |