| RIS | radiology information system; rapid immunofluorescence staining; resonance ionization spectroscopy |
|---|---|
| RWS | radiology work station; ragweed sensitivity |
| SCVIR | Society of Cardiovascular and Interventional Radiology |
| SPR | sepiapterin reductase; serial probe recognition; specific pathogen free; Society for Pediatric Radio... |
| SRWS | super radiology work station |