title: Parathion residues in environmental samples from untreated areas.
mesh_terms: D000818:Animals; D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D010125:Ostreidae / Q000032:analysis; D010278:Parathion / Q000032:analysis*; D010573:Pesticide Residues / Q000032:analysis*; D012987:Soil / Q000032:analysis
chemical_list: D010573:Pesticide Residues; D012987:Soil; D010278:Parathion