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\bibitem{VanBoxem_etal2017} {\textquotedblleft}\textit{Anti-cancer capacity of plasma-treated PBS: effect of chemical composition on cancer cell cytotoxicity}{\textquotedblright}. Van Boxem W, Van der Paal J, Gorbanev Y, Vanuytsel S, Smits E, Dewilde S, Bogaerts A, Scientific reports \textbf{7}, 16478 (2017).   http://doi.org/10.1038/s41598-017-16758-8

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