TY - RPRT TI - Chemical contaminants in fish feeds used in federal salmonid hatcheries in the USA AU - A.G. Maule AU - A.L. Gannam AU - J.W. Davis PY - 2007 DO - 10.1016/j.chemosphere.2006.11.029 UR - https://pubs.usgs.gov/publication/70030194 ID - 70030194 ER -