Residues of polychlorinated biphenyls (PCB) and organochlorine insecticides in eggs from mute swan (Cygnus olor) and pochard (Aythya ferina).
D000818:Animals; D001717:Birds; D003718:Denmark; D004531:Eggs / Q000032:analysis*; D005260:Female; D007306:Insecticides / Q000032:analysis*; D011078:Polychlorinated Biphenyls / Q000032:analysis*
D007306:Insecticides; D011078:Polychlorinated Biphenyls