| RSNA | Radiological Society of North America |
|---|---|
| ATS | Achard-Thiers syndrome; acid test solution; alpha-D-tocopherol acid succinate; American Thoracic Soc... |
| AAofA | Ambulance Association of America |
| CSAA | Child Study Association of America |
| EAA | electroacupuncture analgesia; Epilepsy Association of America; essential amino acid; excitatory amin... |