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\bibitem{VanSlycken_etal2013} {\textquotedblleft}\textit{Safe use of metal-contaminated agricultural land by cultivation of energy maize (Zea mays)}{\textquotedblright}. Van Slycken S, Witters N, Meers E, Peene A, Michels E, Adriaensen K, Ruttens A, Vangronsveld J, Du Laing G, Wierinck I, Van Dael M, Van Passel S, Tack FMG, Environmental Pollution \textbf{178}, 375 (2013).   http://doi.org/10.1016/J.ENVPOL.2013.03.032

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