TY - RPRT TI - Determination and occurrence of AHH-active polychlorinated biphenyls, 2,3,7,8-tetrachloro-p-dioxin and 2,3,7,8-tetrachlorodibenzofuran in Lake Michigan sediment and biota. The question of their relative toxicological significance AU - Lawrence M. Smith AU - Ted R. Schwartz AU - Kevin Feltz AU - Timothy J. Kubiak PY - 1990 DO - 10.1016/0045-6535(90)90128-g UR - https://pubs.usgs.gov/publication/70173998 ID - 70173998 ER -