title: Pesticide and mercury levels in migrating duck populations.
mesh_terms: D000273:Adipose Tissue / Q000032:analysis; D000818:Animals; D002849:Chromatography, Gas; D003634:DDT / Q000032:analysis; D003632:Dichlorodiphenyldichloroethane / Q000032:analysis; D004026:Dieldrin / Q000032:analysis; D004372:Ducks / Q000378:metabolism*; D005506:Food Contamination; D006533:Heptachlor / Q000032:analysis; D006846:Hydrocarbons, Halogenated / Q000032:analysis*; D007306:Insecticides / Q000032:analysis*; D007484:Iowa; D008099:Liver / Q000032:analysis; D008452:Maximum Allowable Concentration; D008628:Mercury / Q000032:analysis*; D009132:Muscles / Q000032:analysis; D013054:Spectrophotometry, Atomic
chemical_list: D006846:Hydrocarbons, Halogenated; D007306:Insecticides; D006533:Heptachlor; D003634:DDT; D008628:Mercury; D004026:Dieldrin; D003632:Dichlorodiphenyldichloroethane