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. 1991;21(5):295-301.
doi: 10.1016/0010-4825(91)90012-x.

XECT--a least squares curve fitting program for generalized radiotracer clearance model

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XECT--a least squares curve fitting program for generalized radiotracer clearance model

S Szczesny et al. Comput Biol Med. 1991.

Abstract

The program uses the joint Monte Carlo-Simplex algorithm for fitting the generalized, non-monoexponential model of externally detected decay of radiotracer activity in the tissue. The optimal values of the model parameters (together with the rate of the blood flow) are calculated. A table and plot of the experimental points and the fitted curve are generated. The program was written in Borland's Turbo Pascal 5.5 for the IBM PC XT/AT and compatible microcomputers.

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