| REMP | roentgen-equivalent-man period |
|---|---|
| REP | replication protein; rest-exercise program; retrograde pyelogram; roentgen equivalent-physical |
| rep | let it be repeated [Lat. repetatur]; replication; roentgen equivalent-physical |
| ret | rad equivalent therapeutic |
| SAVE | saved-young-life equivalent; sudden A-ventilatory event; survival and ventricular enlargement [trial... |