Chemical contaminant levels in edible seaweeds of the Salish Sea and implications for their consumption. oleh Jennifer L Hahn, Kathryn L Van Alstyne, Joseph K Gaydos, Lindsay K Wallis, James E West, Steven J Hollenhorst, Gina M Ylitalo, Robert H Poppenga, Jennie L Bolton, David E McBride, Ruth M Sofield