| EF | ectopic focus; edema factor; ejection fraction; elastic fibril; electric field; elongation factor; e... |
|---|---|
| DC | daily census; data communication; data conversion; decrease; deep compartment; Dental Corps; deoxych... |
| STANDOUT | soft thresholding and depth cueing of unspecified techniques |
| URD | unspecified respiratory disease; upper respiratory disease |
| AC-DC, ac/dc | alternating current or direct current |