Seals, pollution and disease: environmental contaminant-induced immunosuppression

air pollution animal diseases antigen antibody reactions bioaccumulation biochemistry biochimie cadena alimentaria enfermedades de los animales experimentation foca food chains halogenated hydrocarbons hidrocarburos halogenados immune response immunosuppression maladie des animaux phoque pollution des mers sea pollution seals toxicologia toxicologie toxicology