James Lee1,
  Masoud Shiehmorteza1, Michael E. Schroeder1, Katie H.
  Hansen1, Mark Bydder1, Claude Sirlin1
1Radiology, 
Diffusion
  imaging of the liver is reported as having slow and fast components
  ("perfusion"). We modeled both components before and after a meal
  to observe the effect of increasing perfusion.
Keywords