title: Seasonal changes in organochlorine compounds and mercury in common terns of Hamilton Harbour, Ontario.
mesh_terms: D000704:Analysis of Variance; D000818:Animals; D001717:Birds / Q000378:metabolism*; D003633:Dichlorodiphenyl Dichloroethylene / Q000032:analysis; D004026:Dieldrin / Q000032:analysis; D004531:Eggs / Q000032:analysis*; D001556:Hexachlorocyclohexane / Q000032:analysis; D007306:Insecticides / Q000032:analysis*; D008628:Mercury / Q000032:analysis*; D009132:Muscles / Q000032:analysis; D009864:Ontario; D011078:Polychlorinated Biphenyls / Q000032:analysis; D012044:Regression Analysis; D012621:Seasons
chemical_list: D007306:Insecticides; D003633:Dichlorodiphenyl Dichloroethylene; D001556:Hexachlorocyclohexane; D011078:Polychlorinated Biphenyls; D008628:Mercury; D004026:Dieldrin