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Takeuchi A, Kawai T, Zhang Z-, Miyama Y, Sakamoto K, Higashikawa K, Ikeda M. Toluene, xylenes and xylene isomers in urine as biological indicators of low-level exposure to each solvent; a comparative study. International Archives of Occupational and Environmental Health. 2002 Apr 25;75(6):387–93. doi: 10.1007/s00420-002-0331-7. |