TY - RPRT TI - H4IIE rat hepatoma cell bioassay-derived 2,3,7,8-tetrachlorodibenzo-p-dioxin equivalents in colonial fish-eating waterbird eggs from the Great Lakes AU - Donald E. Tillitt AU - Gerald T. Ankley AU - David A. Verbrugge AU - John P. Giesy AU - James P. Ludwig AU - Timothy J. Kubiak PY - 1991 DO - 10.1007/bf01055562 UR - https://pubs.usgs.gov/publication/70208658 ID - 70208658 ER -