| AHD | acquired hepatocerebral degeneration; acute heart disease; antihyaluronidase; antihypertensive drug;... |
|---|---|
| AI | accidental injury; accidentally incurred; adiposity index; aggregation index; allergy and immunology... |
| AI-CAH | autoimmune-type chronic active hepatitis |
| AICF | autoimmune complement fixation |
| AIHA | American Industrial Hygiene Association; autoimmune hemolytic anemia |