| STANDOUT | soft thresholding and depth cueing of unspecified techniques |
|---|---|
| URD | unspecified respiratory disease; upper respiratory disease |
| AAR | active avoidance reaction; acute articular rheumatism; antigen-antiglobulin reaction |
| ARA | Academy of Rehabilitative Audiometry; acetylene reduction activity; American Rheumatism Association;... |
| ARAMIS | American Rheumatism Association Medical Information System |