| 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... |
| FTA-ABS test | Fluorescent Treponemal Antibody ABSorption test |
| CA | anterior commissure [Lat. commissura anterior]; calcium antagonist; California [rabbit]; cancer; Can... |