| AITT | arginine insulin tolerance test; augmented insulin tolerance test |
|---|---|
| ATN | acute tubular necrosis; augmented transition network |
| AV | Adriamycin and vincristine; air velocity; allergic vasculitis; anteroventral; anteversion; anticipat... |
| H2 | blockers histamine blockers |
| HA | H antigen; Hakim-Adams [syndrome]; halothane anesthesia; Hartley [guinea pig]; headache; health alli... |