title: Modified method for determination of urinary benzidine.
mesh_terms: D001554:Benzene; D001560:Benzidines / Q000652:urine*; D004986:Ether; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008722:Methods; D012965:Sodium Chloride; D012997:Solvents; D013997:Time Factors
chemical_list: D001560:Benzidines; D012997:Solvents; D004986:Ether; D012965:Sodium Chloride; D001554:Benzene