Hudson, R. H., 1979, Toxicities of the lampricides 3-trifluoromethyl-4-nitrophenol (TFM) and the 2-aminoethanol salt of 2',5-dichloro-4'-nitrosalicylanilide (Bayer 73) to four bird species: La Crosse, Wisconsin, U.S. Fish and Wildlife Service Investigations in Fish Control 89, 5 p. Abstract Keywords