| 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... |
| APACHE | Acute Physiology and Chronic Health Evaluation [severity-of-illness index] |
| IAP | immunosuppressive acidic protein; inosinic acid pyrophosphorylase; Institute of Animal Physiology; i... |
| PHY | pharyngitis; physical; physiology |