Potential Biomarkers for Assessing the Exposure and Effects of the Contaminant Load in Baltic Ringed Seals (Phoca Hispida) and Grey Seals (Halichoerus Grypus) Publication Attachment: 00-395.pdf Authors: Nyman, M, Fant, M-L, Jestoi, M, Koistinen, J, Raunio, H Year: 2000