| rOEF | regional oxygen extraction fraction |
|---|---|
| ROM | range of motion; read only memory; reduction of movement; regional office manual; removal of metal [... |
| RPGMEC | Regional Postgraduate Medical Education Committee |
| RPI | regional perfusion index; relative percentage index; reticulocyte production index, ribose 5-phospha... |
| RPRC | regional primate research center |