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Geng M, Zhang X, Bina M, Regnier F.Geng M, et al. Among authors: zhang x.J Chromatogr B Biomed Sci Appl. 2001 Mar 10;752(2):293-306. doi: 10.1016/s0378-4347(00)00550-8.J Chromatogr B Biomed Sci Appl. 2001.PMID: 11270868
Wang S, Zhang X, Regnier FE.Wang S, et al. Among authors: zhang x.J Chromatogr A. 2002 Mar 8;949(1-2):153-62. doi: 10.1016/s0021-9673(01)01509-6.J Chromatogr A. 2002.PMID: 11999731
Ji J, Chakraborty A, Geng M, Zhang X, Amini A, Bina M, Regnier F.Ji J, et al. Among authors: zhang x.J Chromatogr B Biomed Sci Appl. 2000 Aug 4;745(1):197-210. doi: 10.1016/s0378-4347(00)00192-4.J Chromatogr B Biomed Sci Appl. 2000.PMID: 10997715