"Polychlorinated biphenyls"@en . "Polychlorobiph\u00E9nyles"@fr . "Dr\u00F4me"@fr . "M\u00E9taux lourds"@fr . . "Lutra lutra"@fr . "f4248edee12ec706c91af61bc06bf671" . "Otter"@en . "Richard-Mazet" . "Loutre"@fr . "Alexandra" . "Alexandra Richard-Mazet" . "Alsace"@fr . "Heavy metals"@en . "Ard\u00E8che"@fr . .