| ALA | American Laryngological Association; American Lung Association; aminolevulinic acid; axiolabial |
|---|---|
| AMM | agnogenic myeloid metaplasia; ammonia; antibody to murine cardiac myosin; World Medical Association ... |
| AMWA | American Medical Women's Association; American Medical Writers' Association |
| APHA | American Protestant Hospital Association; American Public Health Association |
| ASA | acetylsalicylic acid; active systemic anaphylaxis; Adams-Stokes attack; American Society of Anesthes... |