| RFS | relapse-free survival; renal function study; rotating frame spectroscopy |
|---|---|
| RSR | regular sinus rhythm; relative survival rate; right superior rectus [muscle] |
| SAVE | saved-young-life equivalent; sudden A-ventilatory event; survival and ventricular enlargement [trial... |
| ST | esotropia; scala tympani; scaphotrapezoid; sclerotherapy; sedimentation time; semitendinosus; sensor... |