| AO | abdominal aorta; achievement orientation; acid output; acridine orange; ankle orthosis; anodal openi... |
|---|---|
| COAT | Children's Orientation and Amnesia Test |
| COR | cardiac output recorder; comprehensive outpatient rehabilitation; conditioned orientation reflex; co... |
| CORA | conditioned orientation reflex audiometry |
| GOAT | Galveston Orientation and Amnesia Test |