| arg | arginine; silver [Lat. argentum] |
|---|---|
| AS | acetylstrophanthidin; acidified serum; acoustic schwannoma; acoustic stimulation; active sarcoidosis... |
| as | left ear [Lat. auris sinistra] |
| AU | according to custom [Lat. ad usum]; allergenic unit; ngstrom unit; antitoxin unit; arbitrary unit; A... |
| Au | Australia [antigen]; authorization; gold [Lat. aurum] |