| AOS | American Ophthalmological Society; American Otological Society; anodal opening sound; anterior [o]es... |
|---|---|
| AOT | accessory optic tract; Anderson Olsson table; anodal opening tetanus; Association of Occupational Th... |
| AOTe | anodal opening tetanus |
| BBB | 1) Bundle Branch Block 2) Blood Brain Barrier - Blood Brain Barrier |
| BBBB | Bilateral Bundle Branch Block |