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Li Q, Ma X, Yuan D, Chen J. Evaluation of the solid-phase microextraction fiber coated with single walled carbon nanotubes for the determination of benzene, toluene, ethylbenzene, xylenes in aqueous samples. J Chromatogr A. 2010 Apr 09;1217(15):2191–6. doi: 10.1016/j.chroma.2010.02.009. PMID: 20207361. |