Persistent pesticides in Mikołajskie lake.
D003510:Cyclohexanes / Q000032:analysis; D003634:DDT / Q000032:analysis; D010575:Pesticides / Q000032:analysis*; D011044:Poland; D013997:Time Factors; D014867:Water / Q000032:analysis; D014876:Water Pollution / Q000032:analysis*
D003510:Cyclohexanes; D010575:Pesticides; D014867:Water; D003634:DDT