Synergistic Effect of 2,2′,4,4′,5,5′-Hexachlorobiphenyl and 2,3,7,8-Tetrachlorodibenzo-p-dioxin on Hepatic Porphyrin Levels in Female Sprague-Dawley Rats Publication Attachment: 95-32.pdf Authors: van Birgelen, APJM, Fase, KM, van der Kolk, J, Poiger, H, Brouwer, A, Seinen, W, van den Berg, M Year: 1995