| ERA | electrical response activity; electroencephalic response audiometry; Electroshock Research Associati... |
|---|---|
| BERA | Brainstem Evoked Response Audiometry |
| ARA | Academy of Rehabilitative Audiometry; acetylene reduction activity; American Rheumatism Association;... |
| AST | allergy serum transfer; angiotensin sensitivity test; anterior spinothalamic tract; antistreptolysin... |
| BERA | brainstem evoked response audiometry |