TY - RPRT TI - Toxicity and oxidative stress of different forms of organic selenium and dietary protein in mallard ducklings AU - D. J. Hoffman AU - G. H. Heinz AU - L. J. LeCaptain AU - J.D. Eisemann AU - G.W. Pendleton PY - 1996 DO - 10.1007/bf00203916 UR - https://pubs.usgs.gov/publication/5223178 ID - 5223178 ER -