| AGA | accelerated growth area; allergic granulomatosis and angiitis; American Gastroenterological Associat... |
|---|---|
| AHEA | area health education activity |
| AHEC | area health education center |
| AHPO | anterior hypothalamic preoptic [area] |
| AHS | Academy of Health Sciences; African horse sickness; alveolar hypoventilation syndrome; American Hear... |