Organochlorine pesticides and polychlorinated biphenyls in black duck eggs from the United States and Canada--1971.
D000818:Animals; D002170:Canada; D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D004372:Ducks; D004531:Eggs / Q000032:analysis*; D007306:Insecticides / Q000032:analysis*; D010573:Pesticide Residues / Q000032:analysis; D011078:Polychlorinated Biphenyls / Q000032:analysis*; D013997:Time Factors; D014481:United States
D007306:Insecticides; D010573:Pesticide Residues; D011078:Polychlorinated Biphenyls