| ERT | esophageal radionuclide transit; estrogen replacement therapy; examination room terminal; external r... |
|---|---|
| EXREM | external radiation-emission man [dose] |
| FRC | Federal Radiation Council; frozen red cells; functional reserve capacity; functional residual capaci... |
| FREIR | Federal Research on Biological and Health Effects of Ionizing Radiation |
| FUMIR | 5-fluorouracil, mitomycin C, radiation |