title: Long erm persistence of parathion in soil.
mesh_terms: D002622:Chemistry, Agricultural; D002849:Chromatography, Gas; D009674:Nova Scotia; D010278:Parathion / Q000032:analysis*; D010783:Photometry; D012987:Soil / Q000032:analysis*
chemical_list: D012987:Soil; D010278:Parathion