| Type | Means | Dose | Half-Life | Energy |
| 99m Tc | IV | 2 - 10 mCi | 6.0 Hrs | 140 KeV |
| I123 | Oral | 200 - 400 µCi | 13.6 Hrs | 159 KeV |
| I131 | Oral | 30 - 100 µCi | 8.05 days | 364 keV |