TY - RPRT TI - Deformities, PCBs, and TCDD-equivalents in double-crested cormorants ( Phalacrocorax auritus ) and Caspian terns ( Hydroprogne caspia ) of the Upper Great Lakes 1986–1991: Testing a cause-effect hypothesis AU - James P. Ludwig AU - Hiroko Kurita-Matsuba AU - Heidi J. Auman AU - Matthew E. Ludwig AU - Cheryl L. Summer AU - John P. Giesy AU - Donald E. Tillitt AU - Paul D. Jones PY - 1996 DO - 10.1016/s0380-1330(96)70948-6 UR - https://pubs.usgs.gov/publication/70178246 ID - 70178246 ER -