Ferriby, L.L., E.S. Williams, W.J. Lukesemburg, D.J. Paustenbach, L.C. Haws, L.S. Birnbaum, and M. Harris. 2006. Comparing polychlorinated biphenyls in farm-raised and wild-caught catfish from southern Mississippi. Organohalogen Compounds. 68: 2527-2530. Dioxin 2006. August 21-25, 2006. Oslo, Norway.