All models can describe rat data.

(A) Example of how the models fit to the data from the liver from one of the rats. (B-D) Correlations between the logarithm of the gadoxetate uptake rate, ki, estimated using (B) the Patlak and Whole-Body models, (C) the Perfusion model, with input from the spleen, and the Patlak model, (D) the Perfusion model, with input from the spleen, and the Whole-Body model.