| SER | sebum excretion rate; sensitizer enhancement ratio; sensory evoked response; service; smooth endopla... |
|---|---|
| SP | sacroposterior; sacrum to pubis; salivary progesterone; schizotypal personality; semi-private [room]... |
| 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 |