| ATE | acute toxic encephalopathy; adipose tissue extract; autologous tumor extract |
|---|---|
| ATF | activating transcription factor; anterior talofibular [ligament]; ascites tumor fluid |
| ATLS | acute tumor lysis syndrome; advanced trauma life support |
| ATV | Abelson virus transformed; avian tumor virus |
| AWTA | aniridia-Wilms tumor association |