Residence Times of Source Organs
| Source organ | Residence time (h) |
|---|---|
| Thyroid | 0.001 ± 0.000 |
| Brain | 0.002 ± 0.001 |
| Lungs | 0.102 ± 0.014 |
| Liver | 0.068 ± 0.017 |
| Urinary bladder | 0.013 ± 0.005 |
| Spleen | 0.019 ± 0.005 |
| Kidneys | 0.055 ± 0.007 |
| Red marrow | 0.009 ± 0.003 |
| Remainder in body | 0.220 ± 0.007 |
Data are mean ± SD.