%0 conference lecture %@ %A Fonfara, S., Siebert, U., Prange, A., Colijn, F. %D 2006 %J 37th Annual IAAAM Conference, International Association for Aquatic Animal Medicine %T Variations of Cytokine Expression and the Impact of Stress and Infection in Harbour Seals (Phoca Vitulina) of the North Sea %U %X