| JAMA | Journal of the American Medical Association |
|---|---|
| JAMIA | Journal of the American Medical Informatics Association |
| AAN | AIDS-associated nephropathy; alpha-amino nitrogen; American Academy of Neurology; American Academy o... |
| ADA | adenosine deaminase; American Dental Association; American Dermatological Association; American Diab... |
| AGA | accelerated growth area; allergic granulomatosis and angiitis; American Gastroenterological Associat... |