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\bibitem{Margui_etal2008} {\textquotedblleft}\textit{High-energy polarized-beam energy-dispersive X-ray fluorescence analysis combined with activated thin layers for cadmium determination at trace levels in complex environmental liquid samples}{\textquotedblright}. Margu{\'\i} E, Font{\`a}s C, van Meel K, Van Grieken R, Queralt I, Hidalgo M, Analytical chemistry \textbf{80}, 2357 (2008).   http://doi.org/10.1021/AC7018427

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