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\bibitem{Dirtu_etal2006} {\textquotedblleft}\textit{Organohalogenated pollutants in human serum from Iassy, Romania and their relation with age and gender}{\textquotedblright}. Dirtu AC, Cernat R, Dragan D, Mocanu R, Van Grieken R, Neels H, Covaci A, Environment international \textbf{32}, 797 (2006).   http://doi.org/10.1016/J.ENVINT.2006.04.002

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