Comparison of measured 24h urine excretion with the corresponding model predictions for single DTPA injection at different times after contamination: 3 minutes (top left), one day (top right), three days (bottom left) and seven days (bottom right). Values are expressed as the percentage of the initial Injected Activity (mean ± sd (% IA)). “Grémy et al.” are data presented in [10]; “CEA/LRT” are unpublished data from the same laboratory.