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Janča J, Halabalová V, Růžička J.Janča J, et al.J Chromatogr A. 2010 Dec 17;1217(51):8062-71. doi: 10.1016/j.chroma.2010.10.082. Epub 2010 Oct 30.J Chromatogr A. 2010.PMID: 21075379
Janca J, Stejskal J.Janca J, et al.J Chromatogr A. 2009 Dec 25;1216(52):9071-80. doi: 10.1016/j.chroma.2009.06.040. Epub 2009 Jun 18.J Chromatogr A. 2009.PMID: 19552912