| ACA | abnormal coronary artery; acrodermatitis chronica atrophicans; acute cerebellar ataxia; adenocarcino... |
|---|---|
| AMA | against medical advice; alkaline membrane assay; American Management Association; American Medical A... |
| NA | Avogadro constant or number; nalidixic acid; Narcotics Anonymous; network administrator; neuraminida... |
| HI antibody | Hemagglutination Inhibiting antibody; 혈구 응집 억제 항체 |
| AHA | acetohydroxamic acid; acquired hemolytic anemia; acute hemolytic anemia; American Heart Association;... |