TY - RPRT TI - Polychlorinated biphenyl congeners in emergent mayflies from the upper Mississippi River AU - M.T. Steingraeber AU - T.R. Schwartz AU - J.G. Wiener AU - J.A. Lebo PY - 2002 DO - 10.1021/es00053a027 UR - https://pubs.usgs.gov/publication/1003508 ID - 1003508 ER -