Custer, T. W., Custer, C. M., Larson, S., and Dickerson, K. K., 2002, Arsenic concentrations in house wrens from Whitewood Creek, South Dakota, USA: Bulletin of Environmental Contamination and Toxicology, v. 68, no. 4, p. 517-524. Abstract Keywords Mallard ducklings, Great-lakes, selenium, growth, river, organochlorine, contamination, reproduction, physiology, survival