| 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 |
| BET | benign epithelial tumor; bleeding esophageal varix; Brunauer-Emmet-Teller [method] |
well-type ionization chamber (우물형 전리함