| ARD | absolute reaction of degeneration; acute radiation disease; acute respiratory disease; adult respira... |
|---|---|
| RC | an electronic circuit containing a resistor and capacitor in series; radiocarpal; reaction center; r... |
| ARDS | acute respiratory distress syndrome; adult respiratory distress syndrome |
| CRD | carbohydrate-recognition domain; chronic renal disease; chronic respiratory disease; child restraint... |
| IRDS | idiopathic respiratory distress syndrome; infant respiratory distress syndrome |