Environmental contaminants and biomarker responses in fish from the Columbia River and its tributaries: spatial and temporal trends - Hinck, J.E.; Schmitt, C. J.; Blazer, V. S.; Denslow, N. D.; Bartish, T.M.; Anderson, P.J.; Coyle, J.J.; Dethloff, G.M.; Tillitt, D. (Science of the Total Environment, 2006)