| S-IgA | secretory immunoglobulin A |
|---|---|
| SLPI | secretory leukocyte protease inhibitor |
| SOM | secretory otitis media; sensitivity of method; serous otitis media; somatotropin; state operations m... |
| SU | salicyluric acid; secretory unit; sensation unit; solar urticaria; sorbent unit; spectrophotometric ... |