López-Roldán, Ramon Ecological screening indicators of stress and risk for the Llobregat river water. [electronic resource] - Journal of hazardous materials Dec 2013 - 239-47 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1873-3336 Standard No.: 10.1016/j.jhazmat.2013.07.008 doi Subjects--Topical Terms: AnimalsNo-Observed-Adverse-Effect LevelRisk AssessmentRivers--chemistrySpainStress, PhysiologicalWater Pollutants, Chemical--analysis