TY - RPRT TI - Bioassessment of mercury, cadmium, polychlorinated biphenyls, and pesticides in the upper Mississippi river with Zebra mussels (Dreissena polymorpha) AU - W. Gregory Cope AU - Michelle R. Bartsch AU - Ronald G. Rada AU - Steven J. Balogh AU - John E. Rupprecht AU - R. David Young AU - D. Kent Johnson PY - 1999 DO - 10.1021/es9902165 UR - https://pubs.usgs.gov/publication/70021315 ID - 70021315 ER -