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. Author manuscript; available in PMC: 2016 Oct 1.
Published in final edited form as: Regul Toxicol Pharmacol. 2015 Jul 3;73(1):151–163. doi: 10.1016/j.yrtph.2015.06.019

Fig. 8.

Fig. 8

Rank correlation coefficient for optimized parameters and cumulative excretion in feces at 0.25, 7, 21, or 170 days after inhalation exposure to iridium nanoparticles (Semmler et al., 2004; Semmler-Behnke et al., 2007). Only parameters with |rank correlation| >0.2 for at least one sample time are shown.