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Van den Heuvel, M. R., Munkittrick, K. R., Kraak, G. J. van der, Servos, M. R., & Dixon, D. G. (1995). Hepatic 7-ethoxyresorufin-O-deethylase activity, plasma steroid hormone concentrations, and liver bioassay-derived 2,3,7,8-TCDD toxic equivalent concentrations in wild white sucker (Catostomus commersoni) caged in bleached kraft pulp mill effluent. Canadian Journal Of Fisheries And Aquatic Sciences, 52(7), 1339-1350.