| SRO | sex-ratio organism; single room occupancy; smallest region of overlap; Steele-Richardson-Olszewski [... |
|---|---|
| SRR | standardized rate ratio; surgery recovery room |
| SSR | site-specific recombination; somatosensory response; surgical supply room |
| USP DI | United States Pharmacopeial convention Dispensing Information |
| ACID | Arithmetic, Coding, Information, and Digit Span; automatic implantable cardioverter defibrillator |