| ANA | acetylneuraminic acid; American Narcolepsy Association; American Neurological Association; American ... |
|---|---|
| ASA | acetylsalicylic acid; active systemic anaphylaxis; Adams-Stokes attack; American Society of Anesthes... |
| ASHA | American School Health Association; American Social Health Association; American Speech and Hearing ... |
| ATS | Achard-Thiers syndrome; acid test solution; alpha-D-tocopherol acid succinate; American Thoracic Soc... |
| FACA | Fanconi anemia complementation group A; Fellow of the American College of Anesthetists; Fellow of th... |