Shahbaz, Muhammad Relationship between heavy metals concentrations in egret species, their environment and food chain differences from two Headworks of Pakistan. [electronic resource] - Chemosphere Sep 2013 - 274-82 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1879-1298 Standard No.: 10.1016/j.chemosphere.2013.04.078 doi Subjects--Topical Terms: AnimalsBirdsEcosystemEnvironmental MonitoringFood ChainMetals, Heavy--analysisMultivariate AnalysisOvum--chemistryPakistanPredatory BehaviorSoil--chemistrySpecies Specificity