title: Residues of DDE and PCB in eggs from herrring gull (Larus argentatus) and common gull (Larus canus) in Norway.
mesh_terms: D000818:Animals; D001713:Biphenyl Compounds / Q000032:analysis*; D001717:Birds; D002849:Chromatography, Gas; D003634:DDT / Q000032:analysis; D003632:Dichlorodiphenyldichloroethane / Q000032:analysis*; D004531:Eggs / Q000032:analysis*; D005247:Feeding Behavior; D009664:Norway; D011078:Polychlorinated Biphenyls / Q000032:analysis
chemical_list: D001713:Biphenyl Compounds; D003634:DDT; D011078:Polychlorinated Biphenyls; D003632:Dichlorodiphenyldichloroethane