| UDCA | Urso-Deoxy-Cholic Acid = UDC |
|---|---|
| VMA | Vanil(Vanillyl)-Mandelic Acid |
| AAA | abdominal aortic aneurysm/aneurysmectomy; acne-associated arthritis; acquired aplastic anemia; acute... |
| AAAD | aromatic amino acid decarboxylase |
| AAAE | amino acid activating enzyme |