title: Differences in DDTR residues in green alfalfa, hay, and cubes from the same source.
mesh_terms: D001130:Arizona; D002849:Chromatography, Gas; D003634:DDT / Q000032:analysis*; D006846:Hydrocarbons, Halogenated / Q000032:analysis; D007306:Insecticides / Q000032:analysis; D000455:Medicago sativa / Q000032:analysis*
chemical_list: D006846:Hydrocarbons, Halogenated; D007306:Insecticides; D003634:DDT