| DL | danger list; De Lee [catheter]; deep lobe; developmental level; difference limen; diffusion lung [ca... |
|---|---|
| dos | dosage, dose |
| DR | degeneration reaction; delivery room; deoxyribose; diabetic retinopathy; diagnostic radiology; digit... |
| DREF | dose rate effectiveness factor |
| DRF | Daily Rating Form; daily replacement factor; Deafness Research Foundation; dose reduction factor |
| SD | standard dose |
|---|---|
| TCID(50) | tissue culture infectious dose |
| TCID50 | tissue culture infective dose |