| AFS | acquired or adult Fanconi syndrome; alternative financing system; American Fertility Society; antifi... |
|---|---|
| AHCD | acquired hepatocellular degeneration |
| AHD | acquired hepatocerebral degeneration; acute heart disease; antihyaluronidase; antihypertensive drug;... |
| AID | acquired immunodeficiency disease; acute infectious disease; acute ionization detector; Agency for I... |
| AIDS | acquired immune deficiency syndrome |