| DRF | Daily Rating Form; daily replacement factor; Deafness Research Foundation; dose reduction factor |
|---|---|
| DVR | digital vascular reactivity; Doctor of Veterinary Radiology; double valve replacement; double ventri... |
| EARR | extended aortic root replacement |
| ERT | esophageal radionuclide transit; estrogen replacement therapy; examination room terminal; external r... |
| FRAME | Fund for the Replacement of Animals in Medical Experiments |