van Drooge, Barend Organochlorine residue levels in livers of birds of prey from Spain: inter-species comparison in relation with diet and migratory patterns. [electronic resource] - Environmental pollution (Barking, Essex : 1987) May 2008 - 84-91 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0269-7491 Standard No.: 10.1016/j.envpol.2007.07.029 doi Subjects--Topical Terms: Animal MigrationAnimalsDichlorodiphenyl Dichloroethylene--analysisEnvironmental ExposureEnvironmental Pollutants--analysisFood ChainHydrocarbons, Chlorinated--analysisLiver--chemistryPesticide Residues--analysisPolychlorinated Biphenyls--analysisRaptors--metabolismSpainSpecies Specificity