| ADDH | attention deficit disorder with hyperactivity |
|---|---|
| ADD/HA | attention deficit disorder/hyperactivity |
| ADHD | attention deficit-hyperactivity disorder |
| ANA | acetylneuraminic acid; American Narcolepsy Association; American Neurological Association; American ... |
| BD | barbital-dependent; barbiturate dependence; base deficit; base of prism down; basophilic degeneratio... |