1. Characterization of ethoxyresorufin O-deethylase in grey seal Halichoerus grypus;Addisson;Comp. Biochem. Physiol.,1984
2. Mixed function oxidase activity from the harbour seal Phoca vitulina from Sable Is.;Addisson;N.S. Comp. Biochem. Physiol.,1986
3. Recensements de la population de belugas du Saint-Laurent en 1985 par embarcations;Béland;Rapp. Techn. Can. Sci. Halieut. Aquat.,1987
4. Pathology of Baltic ringed seal and grey seal females with special reference to adrenocortical hyperplasia: is environmental pollution the cause of a widely distributed disease syndrome?;Bergman;Finn. Game Res.,1986
5. Skull-bone lesions in the Baltic grey seal Halichoerus grypus;Bergman;Ambio,1992