| RARS | refractory anemia with ring sideroblasts |
|---|---|
| RA-S | refractory anemia with ringed sideroblasts |
| REAB | refractory anemia with excess of blasts |
| SA | salicylic acid; saline [solution]; salt added; sarcoidosis; sarcoma; scalenus anticus; secondary ame... |
| SAA | serum amyloid A; severe aplastic anemia |