| DA | dark adaptation; dark agouti [rat]; daunomycin; degenerative arthritis; delayed action; Dental Assis... |
|---|---|
| ERDA | Energy Research and Development Administration |
| FA | false aneurysm; Families Anonymous; Fanconi anemia; far advanced; fatty acid; febrile antigen; femor... |
| FDA | fluorescein diacetate; Food and Drug Administration; right frontoanterior [position of the fetus] |
| FWPCA | Federal Water Pollution Control Administration |