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\bibitem{Janssens_etal2008} {\textquotedblleft}\textit{Euroanalysis 14: the European Conference on Analytical Chemistry}{\textquotedblright}. Janssens K, van Espen P, Van {\textquoteright}t dack L, Analytical and bioanalytical chemistry \textbf{391}, 1107 (2008).   http://doi.org/10.1007/S00216-008-2114-9

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