| cadmium and lead in tissues of mallards (anas platyrhynchos) and wood ducks (aix sponsa) using the illinois river (usa). | cadmium and lead concentrations were determined in the tissues of mallards and wood ducks collected from two waterfowl management areas along the illinois river, usa, during the autumn and late winter of 1997-1998. lead concentrations in livers of mallards were lower than previously reported, and, along with those in a small sample of wood duck livers, were within background levels (<2.0 microg/g wet weight). mean concentrations of cadmium in the kidneys of wood ducks utilizing the illinois rive ... | 2003 | 12531305 |