| AAA | abdominal aortic aneurysm/aneurysmectomy; acne-associated arthritis; acquired aplastic anemia; acute... |
|---|---|
| AAAI | American Academy of Allergy and Immunology |
| AACIA | American Association for Clinical Immunology and Allergy |
| ACAAI | American College of Allergy, Asthma and Immunology |
| AI | accidental injury; accidentally incurred; adiposity index; aggregation index; allergy and immunology... |