title: Organochlorine insecticides in trout, Salmo trutta fario L., taken from four rivers in León, Spain.
mesh_terms: D000818:Animals; D006843:Hydrocarbons, Chlorinated; D007306:Insecticides / Q000032:analysis*; D012487:Salmonidae / Q000378:metabolism*; D013030:Spain; D014337:Trout / Q000378:metabolism*; D014873:Water Pollutants / Q000032:analysis*; D014874:Water Pollutants, Chemical / Q000032:analysis*
chemical_list: D006843:Hydrocarbons, Chlorinated; D007306:Insecticides; D014873:Water Pollutants; D014874:Water Pollutants, Chemical