Lopes, I Discriminating the ecotoxicity due to metals and to low pH in acid mine drainage. [electronic resource] - Ecotoxicology and environmental safety Oct 1999 - 207-14 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0147-6513 Standard No.: 10.1006/eesa.1999.1825 doi Subjects--Topical Terms: AnimalsBiological Assay--methodsCrustacea--drug effectsHydrogen-Ion ConcentrationMetals, Heavy--toxicityMiningToxicity Tests--methodsWater Pollution--analysis