| RO | radiation oncology; radiation output; ratio of; relative odds; renal osteodystrophy; reverse osmosis... |
|---|---|
| ROC | receiver operating characteristic; receptor-operated channels; relative operating characteristic; re... |
| RPC | reactive perforating collagenosis; relapsing polychondritis; relative proliferative capacity |
| RPI | regional perfusion index; relative percentage index; reticulocyte production index, ribose 5-phospha... |
| RRI | recurrent respiratory infection; reflex relaxation index; relative response index |