TY - RPRT TI - Trophic transfer efficiency of DDT to lake trout ( Salvelinus namaycush ) from their prey AU - C.P. Madenjian AU - D.V. O’Connor PY - 2004 DO - 10.1007/s00128-004-0373-5 UR - https://pubs.usgs.gov/publication/1000938 ID - 1000938 ER -