| AHS | Academy of Health Sciences; African horse sickness; alveolar hypoventilation syndrome; American Hear... |
|---|---|
| ALA | American Laryngological Association; American Lung Association; aminolevulinic acid; axiolabial |
| AMA | against medical advice; alkaline membrane assay; American Management Association; American Medical A... |
| AMSA | acridinylamine methanesulfon-m-anisidide; American Medical Society on Alcoholism; American Medical S... |
| AMWA | American Medical Women's Association; American Medical Writers' Association |