| Abbreviation | Definition |
|---|---|
| AAA | Abdominal Aortic Aneurysm |
| AAA | Acne-Associated Arthritis |
| AAA | Acquired Aplastic Anemia |
| AAA | Acute Anxiety Attack |
| AAA | Acute Apical Abscess |
| AAA | Amino Acid Analysis |
| AAA | Amyloid in Ageing and Alzheimer???s disease |
| AAA | Amyloid in Ageing and Alzheimer’s disease |
| AAA | Amyloid in Ageing and Alzheimers disease |
| AAA | Aneurysm of Ascending Aorta |
| AAA | Animal-Assisted Activity |
| AAA | Aortic Arch Atherosclerosis |
| AAA | Avoidance, Adrenaline, Allergist |
| AAAD | Apparent Amino Acid Digestibility |
| AAAD | Athletes Against Anxiety and Depression |
| AAADD | Age Activated Attention Deficit Disorder |
| AAC | Acute Allergic Conjunctivitis |
| AAC | Antibiotic-Associated Colitis |
| AACG | Acute Angle Closure Glaucoma |
| AACI | Association of American Cancer Institutes |