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Lai BW, Liu BM, Malik PK, Wu HF. Combination of liquid-phase hollow fiber membrane microextraction with gas chromatography-negative chemical ionization mass spectrometry for the determination of dichlorophenol isomers in water and urine. Anal Chim Acta. 2006 Aug 18;576(1):61–6. doi: 10.1016/j.aca.2005.12.039. PMID: 17723615. |