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. 2010 Sep 30;38(2):263–270. doi: 10.1007/s00259-010-1620-0

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© The Author(s) 2010

This article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.

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Fig. 1 — Left Examples of blood tracer activity concentration time-courses following bolus administration of tracers to pigs measured in a femoral artery, C _A(t) (red curves); measured in the PV, C _PV(t) (blue curves); PV model-derived, (green curves) calculated from C _A(t) using means of the tracer-specific parameters for the passage of the tracer from the intestinal arteries to the PV, s (Eq. 4). Right For each tracer, the measured dual input, C _dual(t) (blue curves), was calculated from C _A(t) and C _PV(t) shown on the left and the individually measured HA blood flow fractions, f _HA (Eqs. 1 and 2). The corresponding model-derived dual input, (green curves), was calculated from C _A(t) and and the mean HA blood flow fraction, f _HA (=0.25; Eq. 5)

Inline graphic — Left Examples of blood tracer activity concentration time-courses following bolus administration of tracers to pigs measured in a femoral artery, C _A(t) (red curves); measured in the PV, C _PV(t) (blue curves); PV model-derived, (green curves) calculated from C _A(t) using means of the tracer-specific parameters for the passage of the tracer from the intestinal arteries to the PV, s (Eq. 4). Right For each tracer, the measured dual input, C _dual(t) (blue curves), was calculated from C _A(t) and C _PV(t) shown on the left and the individually measured HA blood flow fractions, f _HA (Eqs. 1 and 2). The corresponding model-derived dual input, (green curves), was calculated from C _A(t) and and the mean HA blood flow fraction, f _HA (=0.25; Eq. 5)