Organ Residence Times
| Organ | N (h) |
| Marrow | 0.032 ± 0.007 |
| Brain | 0.033 ± 0.013 |
| Gallbladder | 0.095 ± 0.031 |
| Heart | 0.009 ± 0.002 |
| Intestine | 0.107 ± 0.052 |
| Kidneys | 0.069 ± 0.030 |
| Liver | 1.147 ± 0.306 |
| Lungs | 0.025 ± 0.005 |
| Stomach | 0.008 ± 0.006 |
| Urinary bladder | 0.063 ± 0.040 |
| Total | 1.588 ± 0.306 |
Values are mean ± SEM (n = 4).