POLYCHLORINATED BIPHENYLS IN PERUMYTILUS PURPURATUS (LAMARCK 1819) ALONG THE CHILEAN COAST REFLECTS LATITUDINAL CONCENTRATION GRADIENTS. Publication Attachment: 02-486.pdf Authors: Barra, Ricardo, Quiroz, Roberto, Mendoza, Gonzalo, Urrutia, Roberto, Pozo, Karla and Focardi, Silvano Year: 2002