| AI, AII, AIII | angiotensin I, II, III |
|---|---|
| AII | acute intestinal infection; second meiotic anaphase |
| 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) |