| Rb | Imp rubber base impression |
|---|---|
| AHA | acetohydroxamic acid; acquired hemolytic anemia; acute hemolytic anemia; American Heart Association;... |
| IA | ibotenic acid; immune adherence; immunoadsorbent; immunobiologic activity; impedance angle; indolami... |
| LA50 | total body surface area of burn that will kill 50% of patients (lethal area) |
| BA | Bore Area |