| A&D | admission and discharge; ascending and descending |
|---|---|
| ADT | Accepted Dental Therapeutics; adenosine triphosphate; admission, discharge, transfer; agar-gel diffu... |
| AND | algoneurodystrophy; anterior nasal discharge |
| BB | bad breath; bed bath; beta blockade, beta blocker; BioBreeding [rat]; blanket bath; blood bank; bloo... |
| BBD | benign breast disease |