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. Author manuscript; available in PMC: 2016 Sep 1.
Published in final edited form as: Magn Reson Imaging. 2016 Apr 22;34(7):1034–1040. doi: 10.1016/j.mri.2016.04.014

Table 4.

Estimated parameters of biexponential function fitted to time-concentration data.

Estimate Std. Error t value Pr(>|t|)
a1 0.033640 0.006747 4.986 9.38e-07***
b1 0.299737 0.140316 2.136 0.0333*
a2 0.044781 0.005588 8.013 1.38e-14***
b2 0.015764 0.006391 2.467 0.0141*