title: Roaming polar bears reveal Arctic role of pollutants.
authors: Marika
authors: M
authors: Willerroider
mesh_terms: D025041:Animal Migration; D000818:Animals; D001110:Arctic Regions; D004777:Environment; D004784:Environmental Monitoring; D004785:Environmental Pollutants / Q000302:isolation & purification*; D005260:Female; D020387:Food Chain; D011078:Polychlorinated Biphenyls / Q000302:isolation & purification*; D001503:Ursidae
chemical_list: D004785:Environmental Pollutants; D011078:Polychlorinated Biphenyls