title: The determination of paraquat (I,I'-dimethyl-4,4'-bipyridylium cation) in urine.
mesh_terms: D002852:Chromatography, Ion Exchange; D003124:Colorimetry; D005609:Free Radicals; D006540:Herbicides / Q000652:urine*; D006801:Humans; D006868:Hydrolysis; D008433:Mathematics; D008722:Methods; D010269:Paraquat / Q000506:poisoning / Q000652:urine; D011726:Pyridinium Compounds / Q000652:urine*; D012972:Sodium Hydroxide; D013447:Sulfites; D014238:Trichloroacetic Acid
chemical_list: D005609:Free Radicals; D006540:Herbicides; D011726:Pyridinium Compounds; D013447:Sulfites; D012972:Sodium Hydroxide; D014238:Trichloroacetic Acid; D010269:Paraquat