Fossi, M.C., Marsili, L., Neri, G., Casini, S., Bearzi, G., Politi, F., Zanardelli, M. and Panigada, S. (2000) Skin biopsy of mediter- ranean cetaceans for the investigation of interspecies suscepti- bility to xenobiotic contaminants. Marine Environmental Re- search, 50, 517-521.