TY - RPRT TI - Biomonitoring of Environmental Status and Trends (BEST) Program: Selected methods for monitoring chemical contaminants and their effects in aquatic ecosystems AU - Vicki S. Blazer AU - Nancy D. Denslow AU - Gail M. Dethloff AU - Timothy S. Gross AU - Kelly K. McDonald AU - Christopher J. Schmitt AU - Donald E. Tillitt AU - Jeffrey J. Whyte PY - 2000 UR - https://pubs.usgs.gov/publication/itr000005 ID - itr000005 ER -