Title:Tissue-specific bioconcentration and biotransformation of cypermethrin and chlorpyrifos in a native fish (Jenynsia multidentata) exposed to these insecticides singly and in mixtures
Title:Occurrence of Hirudinea species in a post urban reach of a Patagonian mountain stream / Ocurrencia de especies de Hirudinea en un tramo posturbano de un arroyo patagónico de montaña