title: Organochlorine insecticides in surface waters in Germany--1970 and 1971.
mesh_terms: D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D003634:DDT / Q000032:analysis; D003633:Dichlorodiphenyl Dichloroethylene / Q000032:analysis; D003632:Dichlorodiphenyldichloroethane / Q000032:analysis; D004026:Dieldrin / Q000032:analysis; D004726:Endosulfan / Q000032:analysis; D005618:Fresh Water / Q000032:analysis; D005860:Germany, West; D006533:Heptachlor / Q000032:analysis; D001556:Hexachlorocyclohexane / Q000032:analysis; D007306:Insecticides / Q000032:analysis*; D010278:Parathion / Q000032:analysis; D014877:Water Pollution, Chemical
chemical_list: D007306:Insecticides; D003633:Dichlorodiphenyl Dichloroethylene; D001556:Hexachlorocyclohexane; D010278:Parathion; D006533:Heptachlor; D003634:DDT; D004026:Dieldrin; D004726:Endosulfan; D003632:Dichlorodiphenyldichloroethane