| ANTR | apparent net transfer rate |
|---|---|
| AST | allergy serum transfer; angiotensin sensitivity test; anterior spinothalamic tract; antistreptolysin... |
| ATM | abnormal tubular myelin; acute transverse myelopathy; asynchronous transfer mode; atmosphere |
| CARS | Childhood Autism Rating Scale; Children's Affective Rating Scale; cysteinyl-transfer ribonucleic aci... |
| CETP | cholesteryl ester transfer protein |