| PSG | peak systolic gradient; phosphate, saline, and glucose; polysomnogram; presystolic gallop; pregnancy... |
|---|---|
| RSA | rabbit serum albumin; regular spiking activity; relative specific activity; relative standard accura... |
| SA | salicylic acid; saline [solution]; salt added; sarcoidosis; sarcoma; scalenus anticus; secondary ame... |
| SAE | serious adverse event; short above-elbow [cast]; specific action exercise; subcortical arteriosclero... |
| SAID | specific adaptation to imposed demand [principle] |