Brotheridge, R M Nickel, cobalt, zinc and copper levels in brown trout (Salmo trutta) from the river Otra, southern Norway. [electronic resource] - The Analyst Jan 1998 - 69-72 p. digital Publication Type: Journal Article ISSN: 0003-2654 Standard No.: 10.1039/a704883a doi Subjects--Topical Terms: AnimalsCobalt--analysisCopper--analysisLiver--chemistryMetals, Heavy--analysisMuscle, Skeletal--chemistryNickel--analysisNorwayTrout--metabolismWater Pollutants--analysisZinc--analysis