| ANAS | anastomosis; auditory nerve activating substance |
|---|---|
| AS | acetylstrophanthidin; acidified serum; acoustic schwannoma; acoustic stimulation; active sarcoidosis... |
| BGS | balance, gait, and station; blood group substance; British Geriatrics Society |
| CCFAS | compact colony-forming active substance |
| DLIS | digoxin-like immunoreactive substance |