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Timm U, Fischer G, Zell M, Zumbrunnen R.Timm U, et al.J Chromatogr. 1989 Sep 29;494:119-34. doi: 10.1016/s0378-4347(00)82662-6.J Chromatogr. 1989.PMID: 2573608
Zell M, Timm U.Zell M, et al. Among authors: timm u.J Chromatogr. 1986 Oct 31;382:175-88. doi: 10.1016/s0378-4347(00)83515-x.J Chromatogr. 1986.PMID: 2878003
Timm U, Zumbrunnen R, Erdin R, Singer M, Steiner B.Timm U, et al.J Chromatogr B Biomed Sci Appl. 1997 Apr 11;691(2):397-407. doi: 10.1016/s0378-4347(96)00477-x.J Chromatogr B Biomed Sci Appl. 1997.PMID: 9174277