| AIOS | acute illness observation scale |
|---|---|
| AIRS | Amphetamine Interview Rating Scale |
| AIS | Abbreviated Injury Scale; amniotic infection syndrome; androgen insensitivity syndrome; anterior int... |
| ALPS | angiolymphoproliferative syndrome; Aphasia Language Performance Scale; attitudinal listening profile... |
| ARS | acquiescence response scale; adult Reye's syndrome; alcohol-related seizures; alizarin red S; Americ... |