| Qs | systemic blood flow |
|---|---|
| Rs | Rauwolfia serpentina; systemic resistance |
| Rsa | systemic arterial resistance |
| SA | salicylic acid; saline [solution]; salt added; sarcoidosis; sarcoma; scalenus anticus; secondary ame... |
| SAI | Self-Analysis Inventory; Sexual Arousability Inventory; Social Adequacy Index; suppressor of anchora... |