| UA | absorption unsharpness; ultra-audible; ultrasonic arteriography; umbilical artery; unauthorized abse... |
|---|---|
| CREG | Cross REactive Group (of HLA Antigens) |
| IRC | International Red Cross |
| ANRC | American National Red Cross |
| ARC | accelerating rate calorimetry; acquired immunodeficiency syndrome-related complex; active renin conc... |