@article {50,
	title = {Accumulation of perfluorooctane sulfonate in marine mammals},
	journal = {Environmental Science and Technology},
	volume = {35},
	year = {2001},
	pages = {1593-1598},
	author = {Kannan, K and Koistinen, J. and Beckmen, K and Evans, T. and Gorzelany, J.F. and Hansen, K.J. and Jones, P.D. and Helle, E. and Nyman, M. and Giesy, J.P.}
}
