Martínez-Tabche, L Toxic effect of nickel on hemoglobin concentration of Limnodrilus hoffmeisteri in spiked sediments of trout farms. [electronic resource] - Ecotoxicology and environmental safety Feb 1999 - 143-9 p. digital Publication Type: Journal Article ISSN: 0147-6513 Standard No.: 10.1006/eesa.1998.1732 doi Subjects--Topical Terms: AnimalsFresh Water--analysisHemoglobins--metabolismMexicoNickel--analysisOligochaeta--metabolismSpectrophotometry, AtomicTroutWater Pollutants, Chemical--analysis