title: Residues of parathion, methyl parathion, EPN, and their oxons in Canadian fruits and vegetables.
mesh_terms: D002170:Canada; D005638:Fruit / Q000032:analysis*; D010278:Parathion / Q000032:analysis*; D010710:Phosphates / Q000032:analysis; D014675:Vegetables / Q000032:analysis*
chemical_list: D010710:Phosphates; D010278:Parathion