| ARD | absolute reaction of degeneration; acute radiation disease; acute respiratory disease; adult respira... |
|---|---|
| ARDS | acute respiratory distress syndrome; adult respiratory distress syndrome |
| ARS | acquiescence response scale; adult Reye's syndrome; alcohol-related seizures; alizarin red S; Americ... |
| ASSR | adult situation stress reaction |
| ATCL | adult T-cell leukemia or lymphoma |