Copyright information:Taken from "Oxidative Metabolites of Diisononyl Phthalate as Biomarkers for Human Exposure Assessment"Environmental Health Perspectives 2006;114(8):1158-1161.Published online 27 Mar 2006PMCID:PMC1552017.This is an Open Access article: verbatim copying and redistribution of this article are permitted in all media for any purpose, provided this notice is preserved along with the article's original DOI represents Pearson correlation coefficient. Levels below the LOD were excluded in the analysis: () = 0.83, < 0.0001; () = 0.76, < 0.0001; () = 0.73, < 0.0001.