| ATM | abnormal tubular myelin; acute transverse myelopathy; asynchronous transfer mode; atmosphere |
|---|---|
| ATN | acute tubular necrosis; augmented transition network |
| CTA | Canadian Tuberculosis Association; chemotactic activity; chromotropic acid; Committee on Thrombolyti... |
| DTS | dense tubular system; diphtheria toxin sensitivity; donor transfusion, specific |
| FTR | fractional tubular reabsorption |